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* ira-conflicts.c (print_allocno_conflicts): New function broken out
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2010-05-13  Jeff Law  <law@redhat.com>
2
3         * ira-conflicts.c (print_allocno_conflicts): New function broken out
4         from...
5         (print_conflicts): Call print_allocno_conflicts.
6
7 2010-05-13  Jakub Jelinek  <jakub@redhat.com>
8
9         PR debug/44104
10         * dwarf2out.c (modified_type_die): Don't dereference mod_type_die
11         if it is NULL.
12
13 2010-05-13  Kai Tietz  <kai.tietz@onevision.com>
14
15         * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Choose
16         t-mingw-w64 or t-mingw-w32 for multilib configuration.
17         * config/i386/t-mingw-w32: New.
18         * config/i386/t-mingw-w64 (MULTILIB_OSDIRNAMES): Change lib64 to lib.
19         
20 2010-05-13  Martin Jambor  <mjambor@suse.cz>
21
22         * gimple.c (gimple_fold_obj_type_ref): Removed (a replacement moved to
23         gimple-fold.c).
24         * gimple-fold.c (get_base_binfo_for_type): New function.
25         (gimple_get_relevant_ref_binfo): Likewise.
26         (gimple_fold_obj_type_ref_known_binfo): Likewise.
27         (gimple_fold_obj_type_ref): Likewise.
28         (fold_gimple_call): Simplify condition for folding virtual calls
29         and call gimple_fold_obj_type_ref.
30         * gimple.h (gimple_get_relevant_ref_binfo): Declare.
31         (gimple_fold_obj_type_ref_known_binfo): Likewise.
32
33 2010-05-13  Andreas Schwab  <schwab@linux-m68k.org>
34
35         * config/rs6000/rs6000-protos.h
36         (rs6000_mode_dependent_address_ptr): Change argument to const_rtx.
37         * config/rs6000/rs6000.c (rs6000_mode_dependent_address)
38         (rs6000_debug_mode_dependent_address)
39         (rs6000_mode_dependent_address_ptr): Likewise.
40
41 2010-05-13  Jakub Jelinek  <jakub@redhat.com>
42
43         PR debug/43983
44         * var-tracking.c (track_expr_p): Allow tracking of variables optimized
45         by SRA.
46         * Makefile.in (dwarf2out.o): Depend on $(TREE_FLOW_H).
47         * tree-sra.c (create_access_replacement): Call unshare_expr before
48         passing expr to SET_DECL_DEBUG_EXPR, and remove any SSA_NAMEs from
49         it.
50         * dwarf2out.c: Include tree-flow.h.
51         (struct var_loc_node): Rename var_loc_note field to loc, add comment.
52         (size_of_loc_descr, output_loc_operands, output_loc_operands_raw):
53         Handle DW_OP_bit_piece.
54         (decl_piece_bitsize, decl_piece_varloc_ptr, decl_piece_node,
55         construct_piece_list, adjust_piece_list): New functions.
56         (add_var_loc_to_decl): Handle SRA optimized variables.
57         Adjust for var_loc_note to loc field renaming.
58         (dw_loc_list_1): For WANT_ADDRESS == 2 prefer DECL_MODE of decl
59         in VAR_LOCATION note.
60         (new_loc_descr_op_bit_piece): New function.
61         (dw_sra_loc_expr): New function.
62         (dw_loc_list): Use it.  Don't handle the last range after the
63         loop, handle it inside of the loop.  Adjust for var_loc_note
64         to loc field renaming.
65         (add_location_or_const_value_attribute): Only special case
66         single entry loc lists if loc is NOTE_P.  Adjust for
67         var_loc_note to loc field renaming.
68         (dwarf2out_var_location): Don't set newloc->var_loc_note
69         and newloc->next here.
70
71 2010-05-12  Jan Hubicka  <jh@suse.cz>
72
73         * cgraph.c (cgraph_mark_address_taken_node): No longer imply needed flag.
74         * cgraph.h (cgraph_only_called_directly_p,
75         cgraph_can_remove_if_no_direct_calls_p): test address_taken flag.
76         (cgraph_can_remove_if_no_direct_calls_and_refs_p): New function.
77         * cgraphunit.c (cgraph_mark_functions_to_output): Test address_taken.
78         (assemble
79         * ipa.c (cgraph_remove_unreachable_nodes): Use
80         cgraph_can_remove_if_no_direct_calls_and_refs_p; clear address_taken flags.
81         * tree-inline.c (copy_bb): Check address_taken flag.
82         * tree-profile.c (tree_gen_ic_func_profiler): Check address_taken and
83         externally_visible flag.
84
85 2010-05-12  Jason Merrill  <jason@redhat.com>
86
87         PR bootstrap/44048
88         PR target/44099
89         * dbxout.c (dbxout_type): Remove NULLPTR_TYPE handling.
90         * sdbout.c (plain_type_1): Likewise.
91         * dwarf2out.c (is_base_type): Likewise.
92         (gen_type_die_with_usage): Likewise.  Generate
93         DW_TAG_unspecified_type for any LANG_TYPE.
94
95 2010-05-12  Jan Hubicka  <jh@suse.cz>
96
97         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Build
98         indrect edges too.
99         * cgraph.c (cgraph_create_indirect_edge): Take ecf_flags argument.
100         (cgraph_clone_edge): Update.
101         (cgraph_node_remove_callees): Remove indirect calls too.
102         * cgraph.h (cgraph_indirect_call_info): Add ecf_flags.
103         (cgraph_create_indirect_edge): Update prototype.
104         * ipa-reference.c (has_proper_scope_for_analysis): Rename to
105         is_proper_for_analysis.
106         (add_new_function, visited_nodes, function_insertion_hook_holder,
107         get_local_reference_vars_info, mark_address_taken, mark_address,
108         mark_load, mark_store, check_asm_memory_clobber, check_call,
109         scan_stmt_for_static_refs, scan_initializer_for_static_refs): Remove.
110         (ipa_init): Do not initialize visited_nodes;
111         function_insertion_hook_holder.
112         (analyze_variable): Rewrite.
113         (analyze_function): Rewrite.
114         (copy_local_bitmap): Remove.
115         (duplicate_node_dat): Do not duplicate local info.
116         (generate_summary): Simplify to only walk cgraph.
117         (write_node_summary_p, ipa_reference_write_summary,
118         ipa_reference_read_summary): Remove.
119         (propagate): Do not remove function insertion;
120         generate summary.
121         (pass_ipa_reference): NULLify summary handling fields.
122         * lto-cgraph.c (lto_output_edge): Output ecf_flags.
123         (input_edge): Input ecf_flags.
124         * ipa-prop.c (ipa_note_parm_call): Expect edge to be around.
125         (update_indirect_edges_after_inlining): Ignore edges with unknown
126         param.
127
128 2010-05-12  Sriraman Tallam  <tmsriram@google.com>
129
130         * implicit-zee.c: New file.
131         * tree-pass.h (pass_implicit_zee): Declare.
132         * passes.c (init_optimization_passes): Add zee pass.
133         * common.opt (fzee): New flag.
134         * timevar.def (TV_ZEE): Define.
135         * config/i386/i386.c (optimization_options): Turn on ZEE for level 2
136         and beyond.
137         * Makefile.in (implicit-zee.o): Add new build file.
138
139 2010-05-12  Kazu Hirata  <kazu@codesourcery.com>
140             Nathan Froyd  <froydnj@codesourcery.com>
141
142         * c-common.c (sync_resolve_params): Remove write-only variable.
143
144 2010-05-12  Anatoly Sokolov  <aesok@post.ru>
145
146         * target.h (struct gcc_target): Add mode_dependent_address_p field.
147         * target-def.h (TARGET_MODE_DEPENDENT_ADDRESS_P): New.
148         (TARGET_INITIALIZER): Use TARGET_MODE_DEPENDENT_ADDRESS_P.
149         * targhooks.c (default_mode_dependent_address_p): New function.
150         * targhooks.h (default_mode_dependent_address_p): Declare function.
151         * doc/tm.texi (TARGET_MODE_DEPENDENT_ADDRESS_P): New.
152         (GO_IF_MODE_DEPENDENT_ADDRESS): Update.
153         * recog.c: (mode_dependent_address_p): Call mode_dependent_address_p
154         target hook. Change return type to bool.
155         * recog.h: (mode_dependent_address_p): Change return type to bool.
156
157 2010-05-12  Kazu Hirata  <kazu@codesourcery.com>
158             Nathan Froyd  <froydnj@codesourcery.com>
159
160         * tree-mudflap.c (build_function_type_0, build_function_type_1,
161         build_function_type_2, build_function_type_3): Remove.
162         (mudflap_init): Use build_function_type_list.
163
164 2010-05-12  Kazu Hirata  <kazu@codesourcery.com>
165             Nathan Froyd  <froydnj@codesourcery.com>
166
167         * coverage.c (build_fn_info_value): Call build_constructor instead of
168         build_constructor_from_list.
169         (build_ctr_info_value): Likewise.
170         (build_gcov_info): Likewise.
171
172 2010-05-12  Nathan Froyd  <froydnj@codesourcery.com>
173
174         * tree.c (build_constructor): Compute TREE_CONSTANT for the
175         resultant constructor.
176         (build_constructor_single): Don't set TREE_CONSTANT.
177         (build_constructor_from_list): Don't compute TREE_CONSTANT.
178
179 2010-05-12  Jan Hubicka  <jh@suse.cz>
180
181         * cgraph.h (struct varpool_node): Add aux.
182         * varasm.c (find_decl_and_mark_needed): Force output of varpool nodes.
183         * varpool.c (varpool_remove_node): Do not remove initializer.
184         (varpool_reset_queue): Export.
185         (varpool_finalize_decl): Volatile vars are forced to be output.
186         * lto-symtab.c (lto_varpool_replace_node): Clear out initializer of
187         replaced decl.
188         * ipa.c (enqueue_cgraph_node, enqueue_varpool_node,
189         process_references, varpool_can_remove_if_no_refs): New functions.
190         (cgraph_remove_unreachable_nodes): Handle variables too.
191
192 2010-05-12  H.J. Lu  <hongjiu.lu@intel.com>
193
194         PR target/44088
195         * config/i386/sse.md (*avx_vmmaskcmp<mode>3): New.
196
197 2010-05-12  Jakub Jelinek  <jakub@redhat.com>
198
199         PR middle-end/44085
200         * gimplify.c (enum omp_region_type): Add ORT_UNTIED_TASK,
201         change value of ORT_TASK.
202         (new_omp_context): Handle ORT_UNTIED_TASK like ORT_TASK.
203         (omp_notice_threadprivate_variable): New function.
204         (omp_notice_variable): Call it for threadprivate variables.
205         If enclosing ctx is a task, print enclosing task rather than
206         enclosing parallel.  Handle ORT_UNTIED_TASK like ORT_TASK.
207         (gimplify_omp_task): Pass ORT_UNTIED_TASK instead of ORT_TASK
208         if task has untied clause.
209
210         PR debug/42278
211         * dwarf2out.c (base_type_die): Don't add name attribute here.
212         (modified_type_die): Instead of sizetype use
213         its underlying original type.  If a DW_TAG_base_type doesn't
214         have name added, add __unknown__.
215         (dwarf2out_imported_module_or_decl_1): Don't call base_type_die,
216         always call force_type_die instead.
217
218 2010-05-12  Maxim Kuvyrkov  <maxim@codesourcery.com>
219
220         * targhooks.c (default_stack_protect_guard): Avoid sharing RTL
221         for __stack_chk_guard.
222
223 2010-05-11  Jakub Jelinek  <jakub@redhat.com>
224
225         * c-opts.c (c_common_parse_file): If start_end_main_source_file,
226         don't call start_source_file debug hook here...
227         (finish_options): ... but here, after outputting predefined and
228         command line defines and undefs.
229
230         PR middle-end/44071
231         * cfglayout.c (fixup_reorder_chain): Allow asm goto to have
232         no fallthru edge.
233         * cfgcleanup.c (try_optimize_cfg): When in cfglayout mode
234         optimizing away empty bb with no successors, move over its
235         footer chain to fallthru predecessor.
236         * cfgrtl.c (patch_jump_insn): Update also REG_LABEL_OPERAND.
237         (rtl_split_edge): For asm goto call patch_jump_insn even if
238         splitting fallthru edge.
239
240         PR c++/44059
241         * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Use qnu_unique_object
242         even for DECL_ONE_ONLY DECL_ARTIFICIAL !TREE_READONLY decls.
243         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Likewise.
244         * dwarf2asm.c (dw2_output_indirect_constant_1): Set TREE_READONLY
245         on DW.ref.* decls.
246
247         PR c++/44062
248         * c-parser.c (c_parser_expression): Mark LHS of a comma
249         expression as read if it is a decl, handled component or
250         COMPOUND_EXPR with that on the RHS.
251         * c-typeck.c (c_process_expr_stmt): Mark RHS of COMPOUND_EXPR
252         if it is a decl or handled component.
253
254 2010-05-11  Jan Hubicka  <jh@suse.cz>
255
256         * lto-symtab.c (lto_symtab_free): New function.
257         * lto-streamer.h (lto_symtab_free): Declare.
258
259 2010-05-11  Jan Hubicka  <jh@suse.cz>
260
261         * lto-cgraph.c (reachable_from_other_partition_p): Export; do not assume
262         that if function is needed it is reachable.
263         (lto_output_node): See if it the function is reachable or referenced.
264         (output_cgraph): Update call of lto_output_node.
265         * lto-streamer.h (reachable_from_other_partition_p): Declare.
266
267 2010-05-11  Jan Hubicka  <jh@suse.cz>
268
269         * crtstuff.c (__JCR_LIST__, __DTOR_END__, __JCR_END__, __FRAME_END__):
270         Mark as used.
271
272 2010-05-11  Jan Hubicka  <jh@suse.cz>
273
274         PR tree-optimize/44063
275         * ipa-inline.c (cgraph_edge_badness): Move always inlines to top of queue.
276         (cgraph_decide_inlining_of_small_function): Skip check when disrgarding
277         limits.
278         (estimate_function_body_sizes): Compute sizes even when disregarding.
279
280 2010-05-11  Kai Tietz  <kai.tietz@onevision.com>
281
282         * collect2.c (maybe_lto_object_file): Add x64-coff magic and check.
283
284 2010-05-11  Jan Hubicka  <jh@suse.cz>
285
286         * lto-cgraph.c (output_cgraph): Remove loop adding all varpool nodes
287         into every boundary.
288
289 2010-05-11  Jan Hubicka  <jh@suse.cz>
290
291         * matrix-reorg.c (matrix_reorg): Rebuild edges.
292
293 2010-05-11  Jan Hubicka  <jh@suse.cz>
294
295         * lto-streamer.c (lto_streamer_cache_add_to_node_array,
296         lto_streamer_cache_delete): Put nodes into heap.
297         * lto-streamer.h (struct lto_streamer_cache_d): Nodes vector is in
298         heap.
299
300 2010-05-11  Jan Hubicka  <jh@suse.cz>
301
302         * cgraphbuild.c (cgraph_rebuild_references): New.
303         * cgraph.c (cgraph_mark_reachable_node): Accept references to optimized
304         out extern inlines.
305         * cgraph.h (cgraph_rebuild_references): Declare.
306         * tree-inline.c (tree_function_versioning): Use it.
307         * ipa-struct-reorg.c (do_reorg_for_func): Likewise.
308
309 2010-05-11  Jan Hubicka  <jh@suse.cz>
310
311         * cgraph.c: Include ipa-utils.h
312         (cgraph_create_virtual_clone): Update references.
313         * Makefile.in (cgraph.o): Add dependency at ipa-utils.h
314
315 2010-05-11  Christian Borntraeger  <borntraeger@de.ibm.com>
316
317         * tree-ssa-loop-prefetch.c (prune_ref_by_group_reuse): Reset
318         prefetch_before to PREFETCH_ALL if to accesses "meet" beyond
319         cache size.
320
321 2010-05-11  Christian Borntraeger  <borntraeger@de.ibm.com>
322
323         * tree-ssa-loop-prefetch.c: Add debug for dropped prefetches.
324
325 2010-05-11  Jakub Jelinek  <jakub@redhat.com>
326
327         * gcc.c (execute): For -### don't quote arguments that
328         contain just alphanumerics and _/-. characters.
329         * doc/invoke.texi: Document that change for -###.
330
331         PR debug/44023
332         * df-problems.c (struct dead_debug): Add to_rescan field.
333         (dead_debug_init): Clear to_rescan field.
334         (dead_debug_finish): Rescan all debug insns in to_rescan
335         bitmap and free the bitmap.
336         (dead_debug_insert_before): Instead of rescanning debug insns
337         immediately queue their rescanning until dead_debug_finish.
338         (df_note_bb_compute): After dead_debug_add do continue instead
339         of break.
340
341 2010-05-10  Jakub Jelinek  <jakub@redhat.com>
342
343         PR debug/44028
344         * haifa-sched.c (schedule_insn): When clearing INSN_VAR_LOCATION_LOC,
345         clear also INSN_REG_USE_LIST.
346
347 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
348
349         * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Undef.
350
351 2010-05-10  Jan Hubicka  <jh@suse.cz>
352
353         * lto-stramer-out.c (produce_asm_for_decls): Correct accidentally commited change.
354
355 2010-05-10  Jan Hubicka  <jh@suse.cz>
356
357         * passes.c (ipa_write_summaries_1, ipa_write_optimization_summaries): Allocate
358         encoders.
359         * lto-section-out.c (lto_new_out_decl_state): Do not allocate it here.
360         * lto-streamer.c (lto_streamer_cache_insert_1): Use alloc pool.
361         (lto_streamer_cache_create): Init alloc pool.
362         (lto_streamer_cache_delete): Free alloc pool.
363         * lto-streamer.h: Include alloc pool.
364         (lto_streamer_cache_d): Use alloc pool.
365         * lto-stramer-out.c (produce_asm_for_decls): Delete fn_out_states.
366
367 2010-05-10  Jan Hubicka  <jh@suse.cz>
368
369         * Makefile.in (cgraphbuild.o): Add dependency on except.h.
370         * cgraphbuild.c: Include except.h
371         (record_type_list, record_eh_tables): New function.
372         (build_cgraph_edges, rebuild_cgraph_edges): Use it.
373
374 2010-05-10  Jan Hubicka  <jh@suse.cz>
375
376         * crtstuff.c (force_to_data, __do_global_dtors_aux_fini_array_entry,
377         __frame_dummy_init_array_entry, force_to_data): Attribute as used
378         rather than unused.
379
380 2010-05-10  Michael Matz  <matz@suse.de>
381
382         * tree-ssa-reassoc.c (undistribute_ops_list): Use create_tmp_reg.
383         (can_reassociate_p): Use FLOAT_TYPE_P.
384         * tree-vectorizer.h (vect_is_simple_reduction): Rename to ...
385         (vect_force_simple_reduction): ... this.
386         * tree-parloops.c (gather_scalar_reductions): Use
387         vect_force_simple_reduction.
388         * tree-vect-loop.c (vect_is_simple_reduction_1): Rename from
389         vect_is_simple_reduction, add modify argument, if true rewrite
390         "a-b" into "a+(-b)".
391         (vect_is_simple_reduction, vect_force_simple_reduction): New
392         functions.
393         (vect_analyze_scalar_cycles_1): Use vect_force_simple_reduction.
394
395 2010-05-10  H.J. Lu  <hongjiu.lu@intel.com>
396             Vladimir Makarov  <vmakarov@redhat.com>
397
398         PR rtl-optimization/44012
399         * ira-build.c (remove_unnecessary_allocnos): Nullify
400         regno_allocno_map of the removed allocno.
401
402 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
403
404         * configure.ac (gcc_cv_ld_eh_gc_sections): Redirect objdump errors
405         to /dev/null.
406         * configure: Regenerate.
407
408 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
409
410         * config/sol2.c (solaris_assemble_visibility): Declare decl, vis
411         unused.
412         Define visibility_types, name, type inside HAVE_GAS_HIDDEN.
413         * configure.ac (gcc_cv_ld_hidden): Explain stages of visibility
414         support in Sun ld.
415         * configure: Regenerate.
416
417 2010-05-10  Richard Guenther  <rguenther@suse.de>
418
419         * lto-symtab.c (lto_symtab_entry_marked_p): Make entry
420         marked if the entry identifier is marked.
421
422 2010-05-10  Richard Guenther  <rguenther@suse.de>
423
424         * c-common.c (struct c_common_attributes): Add fnspec attribute.
425         (handle_fnspec_attribute): New function.
426         * gimple.h (gimple_call_return_flags): Declare.
427         (gimple_call_arg_flags): Likewise.
428         * gimple.c (gimple_call_arg_flags): New function.
429         (gimple_call_return_flags): Likewise.
430         * tree.h (EAF_DIRECT, EAF_NOCLOBBER, EAF_NOESCAPE, EAF_UNUSED):
431         New argument flags.
432         (ERF_RETURN_ARG_MASK, ERF_RETURNS_ARG, ERF_NOALIAS): New function
433         return value flags.
434         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Skip unused args.
435         * tree-ssa-structalias.c (make_constraint_from_heapvar): Split
436         main work to ...
437         (make_heapvar_for): ... this new function.
438         (handle_rhs_call): Handle fnspec attribute argument specifiers.
439         (handle_lhs_call): Likewise.
440         (find_func_aliases): Adjust.
441
442 2010-05-10  Richard Guenther  <rguenther@suse.de>
443
444         PR tree-optimization/44050
445         * tree-inline.c (tree_function_versioning): Clone the ipa-pta flag.
446
447 2010-05-10  Wei Guozhi  <carrot@google.com>
448
449         PR target/42879
450         * config/arm/thumb2.md (thumb2_tlobits_cbranch): New insn pattern.
451
452 2010-05-09  Joseph Myers  <joseph@codesourcery.com>
453
454         PR c/10676
455         * c-typeck.c (lookup_field): Take a type directly.  Update
456         recursive calls.
457         (build_component_ref): Update call to lookup_field.
458         (set_init_label): Use lookup_field to find initialized field.
459         Handle returned list of fields like a sequence of designators.
460
461 2010-05-09  Richard Guenther  <rguenther@suse.de>
462
463         PR middle-end/44024
464         * fold-const.c (tree_single_nonzero_warnv_p): Properly
465         handle &FUNCTION_DECL.
466
467 2010-05-09  Joseph Myers  <joseph@codesourcery.com>
468
469         PR c/4784
470         * c-decl.c (detect_field_duplicates_hash): New.  Handle anonymous
471         structures and unions recursively.
472         (detect_field_duplicates): Move duplicate detection with a hash to
473         detect_field_duplicates_hash.  Always use a hash if anonymous
474         structures or unions are present.
475         * doc/extend.texi (Unnamed Fields): Document that duplicate fields
476         give errors.
477
478 2010-05-09  H.J. Lu  <hongjiu.lu@intel.com>
479
480         PR target/44046
481         * config/i386/driver-i386.c (host_detect_local_cpu): Properly
482         detect Atom, Core 2 and Core i7.
483
484 2010-05-09  Richard Guenther  <rguenther@suse.de>
485
486         * gcc.c (store_arg): Handle temporary file deletion for
487         joined arguments.
488
489 2010-05-09  Richard Guenther  <rguenther@suse.de>
490
491         PR middle-end/44043
492         * ipa-inline.c (estimate_function_body_sizes): Return after
493         disregarding inline limits.
494
495 2010-05-09  Richard Guenther  <rguenther@suse.de>
496
497         * gcc.c (store_arg): Revert last change.
498
499 2010-05-08  Sandra Loosemore  <sandra@codesourcery.com>
500
501         PR middle-end/28685
502         * tree-ssa-reassoc.c (eliminate_redundant_comparison): New function.
503         (optimize_ops_list): Call it.
504
505 2010-05-08  Richard Guenther  <rguenther@suse.de>
506
507         PR tree-optimization/44030
508         * tree-ssa-pre.c (eliminate): Copy NECESSARY flag.  Set
509         NECESSARY flag if we propagate from a inserted expression.
510
511 2010-05-08  Eric Botcazou  <ebotcazou@adacore.com>
512
513         * gimple.c (gimple_types_compatible_p) <ARRAY_TYPE>: Treat bounds of
514         domain types as equal if they are both PLACEHOLDER_EXPRs.
515
516 2010-05-08  Richard Guenther  <rguenther@suse.de>
517
518         * lto-wrapper.c (run_gcc): Remove linker output from
519         command line for LTRANS invocation.
520
521 2010-05-07  Steven Bosscher  <steven@gcc.gnu.org>
522
523         * config.gcc (i[34567]86-*-darwin*, x86_64-*-darwin*): Add
524         lto-macho as lto_binary_reader.
525         * target.h (struct gcc_target): New hooks lto_start and lto_end.
526         * target-def.h (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Define.
527         * cgraphunit.c (ipa_passes): Wrap LTO assembler output generation
528         in lto_start and lto_end calls.
529         (is_elf_or_coff): Rename to maybe_lto_object_file.  Add Mach-O
530         magic numbers.
531         (scan_prog_file): Update is_elf_or_coff call.
532         * doc/tm.text (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Document.
533
534         * collect2.c (main): Fix enum comparison.
535
536         * config/darwin-protos.h (darwin_asm_lto_start, darwin_asm_lto_end):
537         Add prototypes.
538         * darwin9.h (LINK_COMMAND_SPEC): Pass -flto and -fwhopr to the linker.
539         * darwin.h (LINK_COMMAND_SPEC): Likewise.  Define TARGET_ASM_LTO_START
540         and TARGET_ASM_LTO_END.
541         * darwin.c: Include obstack.h and lto-streamer.h.
542         (lto_section_names_offset, lto_section_names_obstack,
543         lto_asm_out_file, lto_asm_out_name, saved_asm_out_file): New static
544         global variables.
545         (LTO_SEGMENT_NAME, LTO_NAMES_SECTION): New defines.
546         (darwin_asm_lto_start): New function.  Redirect output to asm_out_file
547         to a temporary file.
548         (darwin_asm_lto_end): New function.  Restore asm_out_file.
549         (darwin_asm_named_section): For LTO sections, replace the name with
550         the offset of the section name in a string table, and build this
551         table.
552         (darwin_file_start): Initialize global vars for LTO support.
553         (darwin_file_end): If output to asm_out_file was redirected, append it
554         to the proper asm_out_file here.  Add the section names section.
555
556 2010-05-07  Steven Bosscher  <steven@gcc.gnu.org>
557
558         * c-pragma.c (pending_weak_d, pending_weak): New.
559         (pending_weaks): Change the type to VEC((pending_weak,gc) *.
560         (maybe_apply_pragma_weak, maybe_apply_pending_pragma_weaks,
561         handle_pragma_weak): Update the uses of pending_weaks.
562
563 2010-05-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
564
565         PR documentation/44016
566         * doc/standards.texi (Standards): Link to unversioned
567         cxx0x_status.html page.
568
569 2010-05-07  Iain Sandoe <iains@gcc.gnu.org>
570
571         PR target/43708
572         * config/darwin-c.c (darwin_pragma_unused): Set DECL_READ_P
573         in addition to TREE_USED, to avoid "set but unused" warnings.
574
575 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
576
577         * tree-ssa-loop-prefetch.c (TRIP_COUNT_TO_AHEAD_RATIO): New.
578         (is_loop_prefetching_profitable): Do not insert prefetches
579         when the trip count is not at least TRIP_COUNT_TO_AHEAD_RATIO
580         times the prefetch ahead distance.
581
582 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
583
584         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable):
585         Account for loop unrolling in the insn-to-prefetch ratio heuristic.
586         (loop_prefetch_arrays): Pass to is_loop_prefetching_profitable
587         the unroll_factor.
588
589 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
590
591         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable): Dump
592         a diagnostic info when the insn-to-mem ratio is too small.
593
594 2010-05-07  Richard Guenther <rguenther@suse.de>
595
596         * gcc.c (LINK_COMMAND_SPEC): Provide a resolution file to
597         the linker plugin.
598         (store_arg): Queue temp_filename for deletion instead of
599         the whole argument.
600
601 2010-05-07  Richard Guenther  <rguenther@suse.de>
602
603         * lto-wrapper.c (DUMPBASE_SUFFIX): Define.
604         (run_gcc): Handle LTRANS phase invocation.
605         * collect2.c (maybe_run_lto_and_relink): Do not set WPA_SAVE_LTRANS.
606
607 2010-05-07  Jakub Jelinek  <jakub@redhat.com>
608
609         * tree.h (TREE_ADDRESSABLE): Adjust comment to say that
610         this is also meaningful on PARM_DECLs and RESULT_DECLs.
611
612 2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
613
614         * config/mips/iris6.h (LINK_SPEC): Don't pass -init, -fini with -r.
615
616 2010-05-07  Richard Guenther  <rguenther@suse.de>
617
618         PR tree-optimization/44020
619         * tree-ssa-pre.c (execute_pre): Do not remove dead inserted
620         code when PRE is not yet initialized.
621
622 2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
623
624         * config/mips/dbxmdebug.h: Remove.
625         * config.gcc (mips-sgi-irix6.5*): Remove mips/dbxmdebug.h.
626
627 2010-05-07  Shujing Zhao  <pearly.zhao@oracle.com>
628
629         * c-typeck.c (build_binary_op): Warn ordered comparison of pointer
630         with null pointer and also warn about ordered comparison of zero with
631         pointer if -Wextra.
632
633 2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
634
635         * graphite-blocking.c
636         (pbb_strip_mine_profitable_p): Replace Value with mpz_t.
637         * graphite-clast-to-gimple.c
638         (clast_to_gcc_expression): Same.
639         (precision_for_value): Same.
640         (precision_for_interval): Same.
641         (gcc_type_for_interval): Same.
642         (graphite_create_new_guard): Same.
643         (compute_bounds_for_level): Same.
644         (graphite_create_new_loop_guard): Same.
645         * graphite-interchange.c
646         (build_linearized_memory_access): Same.
647         (pdr_stride_in_loop): Same.
648         (memory_strides_in_loop_1): Same.
649         (memory_strides_in_loop): Same.
650         (extend_scattering): Same.
651         (psct_scattering_dim_for_loop_depth): Same.
652         (pbb_number_of_iterations): Same.
653         * graphite-poly.h
654         (debug_iteration_domains): Same.
655         * graphite-ppl.c
656         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
657         (ppl_set_inhomogeneous_gmp): Same.
658         (ppl_strip_loop): Same.
659         (ppl_lexico_compare_linear_expressions): Same.
660         (ppl_read_polyhedron_matrix): Same.
661         (ppl_max_for_le_pointset): Same.
662         * graphite-ppl.h
663         (ppl_read_polyhedron_matrix): Same.
664         (tree_int_to_gmp): Same.
665         (gmp_cst_to_tree): Same.
666         (ppl_set_inhomogeneous): Same.
667         (ppl_set_inhomogeneous_tree): Same.
668         (ppl_set_coef): Same.
669         (ppl_set_coef_tree): Same.
670         * graphite-sese-to-poly.c
671         (build_pbb_scattering_polyhedrons): Same.
672         (build_scop_scattering): Same.
673         (scan_tree_for_params_right_scev): Same.
674         (scan_tree_for_params): Same.
675         (find_params_in_bb): Same.
676         (find_scop_parameters): Same.
677         (add_upper_bounds_from_estimated_nit): Same.
678         (build_loop_iteration_domains): Same.
679         (add_condition_to_domain): Same.
680         (pdr_add_memory_accesses): Same.
681
682 2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
683
684         * graphite-blocking.c (pbb_strip_mine_profitable_p): Resolve
685         CLooG's value_* macros to their respective mpz_* counterparts.
686         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Same.
687         (graphite_create_new_loop_guard): Same.
688         * graphite-interchange.c (build_linearized_memory_access): Same.
689         (pdr_stride_in_loop): Same.
690         (memory_strides_in_loop_1): Same.
691         (1st_interchange_profitable_p): Same.
692         * graphite-poly.c (extend_scattering): Same.
693         (psct_scattering_dim_for_loop_depth): Same.
694         (pbb_number_of_iterations): Same.
695         (pbb_number_of_iterations_at_time): Same.
696         * graphite-poly.h (new_1st_loop): Same.
697         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Same.
698         (oppose_constraint): Same.
699         (insert_constraint_into_matrix): Same.
700         (ppl_set_inhomogeneous_gmp): Same.
701         (ppl_set_coef_gmp): Same.
702         (ppl_strip_loop): Same.
703         (ppl_lexico_compare_linear_expressions): Same.
704         (ppl_max_for_le_pointset): Same.
705         (ppl_min_for_le_pointset): Same.
706         (ppl_build_realtion): Same.
707         * graphite-ppl.h (gmp_cst_to_tree): Same.
708         (ppl_set_inhomogeneous): Same.
709         (ppl_set_inhomogeneous_tree): Same.
710         (ppl_set_coef): Same.
711         (ppl_set_coef_tree): Same.
712         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
713         (build_scop_scattering): Same.
714         (add_value_to_dim): Same.
715         (scan_tree_for_params_right_scev): Same.
716         (scan_tree_for_params_int): Same.
717         (scan_tree_for_params): Same.
718         (find_params_in_bb): Same.
719         (find_scop_parameters): Same.
720         (add_upper_bounds_from_estimated_nit): Same.
721         (build_loop_iteration_domains): Same.
722         (create_linear_expr_from_tree): Same.
723         (add_condition_to_domain): Same.
724         (pdr_add_memory_accesses): Same.
725
726 2010-05-06  Magnus Fromreide  <magfr@lysator.liu.se>
727             Jason Merrill  <jason@redhat.com>
728
729         * c-common.c (c_common_reswords): Add nullptr.
730         * c-common.h: Add RID_NULLPTR.  Reorganize C++0x rids.
731         * dwarf2out.c (is_base_type): Handle NULLPTR_TYPE.
732         (gen_type_die_with_usage): Likewise.
733         * dbxout.c (dbxout_type): Likewise.
734         * sdbout.c (plain_type_1): Likewise.
735
736 2010-05-06  Jason Merrill  <jason@redhat.com>
737
738         * gimplify.c (gimplify_expr): Set GS_ALL_DONE when appropriate.
739         Don't change GS_OK to GS_ALL_DONE.  Make sure that all cases set
740         ret appropriately.
741         (gimplify_compound_lval): Return GS_ALL_DONE as appropriate.
742
743         * gimplify.c (gimplify_modify_expr_rhs): Don't return GS_OK for
744         stripping WITH_SIZE_EXPR.
745         (gimplify_expr) [MODIFY_EXPR]: Trust GS_OK even if the rhs didn't
746         change.
747
748 2010-05-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
749
750         * config.gcc: Removed mips-sgi-irix5*, mips-sgi-irix6.[0-4]* from
751         list of obsolete configurations.
752         Disabled check for obsolete configurations.
753         (mips-sgi-irix[56]*): Restrict to mips-sgi-irix6.5*.
754         Removed support for previous versions.
755         * config/mips/iris.h: Removed.
756         * config/mips/iris5.h: Removed.
757         * config/mips/iris6.h: Merged old iris.h contents.
758         (TARGET_IRIX): Removed.
759         (DRIVER_SELF_SPECS): Removed mabi=32.
760         (IDENT_ASM_OP): Removed undef.
761         (STARTFILE_SPEC): Removed mabi=32.
762         (ENDFILE_SPEC): Likewise.
763         (IRIX_SUBTARGET_LINK_SPEC): Likewise.
764         (MACHINE_TYPE): Update for IRIX 6.5.
765         * config/mips/mips.c (mips_build_builtin_va_list): Replaced
766         TARGET_IRIX by TARGET_IRIX6.
767         (mips_file_start): Likewise.
768         (mips_output_external): Remove IRIX 5/6 O32 support.
769         (mips_output_function_prologue): Likewise.
770         * config/mips/mips.h (TARGET_GPWORD): Replaced TARGET_IRIX by
771         TARGET_IRIX6.
772         (TARGET_CPU_CPP_BUILTINS): Likewise.
773         (TARGET_IRIX): Removed.
774         * config/mips/t-iris6 (MULTILIB_OPTIONS): Removed mabi=32.
775         (MULTILIB_DIRNAMES): Removed 32.
776         (MULTILIB_OSDIRNAMES): Removed ../lib.
777         * doc/install.texi (Prerequisites): Don't reference IRIX before 6.5.
778         (Specific, mips-sgi-irix5): Document removal.
779         (Specific, mips-sgi-irix6): Document IRIX 6.[0-4] and O32 ABI removal.
780         Remove references to older IRIX 6 releases and the O32 ABI.
781
782 2010-05-06  Jakub Jelinek  <jakub@redhat.com>
783
784         PR bootstrap/43994
785         * df-problems.c (dead_debug_insert_before): Use *DF_REF_REAL_LOC
786         instead of DF_REF_REAL_REG.
787
788 2010-05-06  Dave Korn  <dave.korn.cygwin@gmail.com>
789
790         PR target/43888
791         * config/i386/winnt.c (i386_pe_binds_local_p): Tweak weak symbol
792         handling to still return true for x64 targets.
793
794 2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
795
796         * config/m68k/uclinux.h (LIB_SPEC): Bring in sync with config/linux.h.
797
798 2010-05-06  Jan Hubicka  <jh@suse.cz>
799
800         PR tree-optimization/43791
801         * ipa-inline.c (update_caller_keys): Remove bogus
802         disregard_inline_limits check.
803
804 2010-05-06  Michael Matz  <matz@suse.de>
805
806         PR tree-optimization/43984
807         * tree-ssa-pre.c (inserted_phi_names): Remove.
808         (inserted_exprs): Change to bitmap.
809         (create_expression_by_pieces): Set bits, don't append to vector.
810         (insert_into_preds_of_block): Don't handle inserted_phi_names.
811         (eliminate): Don't look at inserted_phi_names, remove deleted
812         insns from inserted_exprs.
813         (remove_dead_inserted_code): Adjust to use bitmaps instead of vectors.
814         (init_pre, fini_pre): Allocate and free bitmaps.
815         (execute_pre): Insert insns on edges before elimination.
816
817 2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
818
819         * tree.c (initializer_zerop): Handle STRING_CST.
820
821 2010-05-06  Manuel López-Ibáñez  <manu@gcc.gnu.org>
822
823         PR 40989
824         * doc/invoke.texi (Wimplicit): Document as C only.
825         * opts.c (common_handle_option): Add argument kind.
826         (handle_option): Rename as read_cmdline_option. Factor out code to...
827         (handle_option): ... here. New.
828         (handle_options): Rename as read_cmdline_options.
829         (decode_options): Update call.
830         (set_option): Use option index instead of option pointer. Classify
831         diagnostics correctly.
832         (enable_warning_as_error): Call handle_option.
833         * opts.h (set_option): Update declaration.
834         (handle_option): Declare.
835         * langhooks.h (struct lang_hooks): Add argument kind to handle_option.
836         * c.opt (Wimplicit,Wimplicit-int): Initialize to -1.
837         * c-opts.c (set_Wimplicit): Delete.
838         (c_family_lang_mask): New static constant.
839         (c_common_handle_option): Add argument kind. Use handle_option
840         instead of set_Wimplicit.
841         (c_common_post_options): warn_implicit and warn_implicit_int
842         are disabled by default.
843         * c-common.c (warn_implicit): Do not define here.
844         * c-common.h (warn_implicit): Do not declare here.
845         (c_common_handle_option): Update declaration.
846         * lto-opts.c (lto_reissue_options): Update call to set_option.
847
848 2010-05-06  Richard Guenther  <rguenther@suse.de>
849
850         PR tree-optimization/43571
851         * domwalk.c (walk_dominator_tree): Walk the dominator
852         sons in more optimal order.
853
854 2010-05-06  Richard Guenther  <rguenther@suse.de>
855
856         PR tree-optimization/43934
857         * tree-ssa-loop-im.c (movement_possibility): Handle PHI nodes.
858         (stmt_cost): Likewise.
859         (extract_true_false_args_from_phi): New helper.
860         (determine_max_movement): For PHI nodes verify we can hoist them
861         and compute their cost.
862         (determine_invariantness_stmt): Handle PHI nodes.
863         (move_computations_stmt): Likewise.  Hoist PHI nodes in
864         if-converted form using COND_EXPRs.
865         (move_computations): Return TODO_cleanup_cfg if we hoisted PHI nodes.
866         (tree_ssa_lim): Likewise.
867         * tree-flow.h (tree_ssa_lim): Adjust prototype.
868         * tree-ssa-loop.c (tree_ssa_loop_im): Return todo.
869
870 2010-05-06  Richard Guenther  <rguenther@suse.de>
871
872         PR tree-optimization/43987
873         * tree-ssa-structalias.c (could_have_pointers): For possibly
874         address-taken variables force pointers to be recorded.
875         (create_variable_info_for_1): Likewise.
876         (push_fields_onto_fieldstack): Pass in wheter all fields
877         must have pointers.
878         (find_func_aliases): Query types instead of vars whether
879         they contain pointers where appropriate.
880
881 2010-05-06  Jan Hubicka  <jh@suse.cz>
882
883         * cgraphbuild.c (record_reference_ctx): Add varpool_node.
884         (record_reference, mark_address, mark_load, mark_store): Record
885         references.
886         (record_references_in_initializer): Update call of record_references.
887         (rebuild_cgraph_edges): Remove all references before rebuiding.
888         * cgraph.c (cgraph_create_node): Clear ref list.
889         (cgraph_remove_node): Remove references.
890         (dump_cgraph_node): Dump references.
891         (cgraph_clone_node): Clone references.
892         * cgraph.h: Include ipa-ref.h and ipa-ref-inline.h
893         (struct cgraph_node, varpool_node): Add ref_lst.
894         * ipa-ref.c: New file.
895         * ipa-ref.h: New file.
896         * ipa-ref-inline.h: New file.
897         * lto-cgraph.c (output_varpool): Take cgrag node set argument.
898         (referenced_from_other_partition_p): New function.
899         (lto_output_varpool_node): Take set arugment; call
900         referenced_from_other_partition.
901         (lto_output_ref): New.
902         (add_references): New.
903         (output_refs): New.
904         (output_cgraph): Compute boundary based on references; output refs.
905         (output_varpool): Accept cgraph_node_set argument.
906         (input_ref): New.
907         (input_refs): New.
908         (input_cgraph): Call input_refs.
909         * lto-section-in.c (lto_section_name): Add refs.
910         * Makefile.in: (cgraph.h): Include ipa-ref.h and ipa-ref-inline.h
911         (ipa-ref.o): New file.
912         * varpool.c (varpool_node): Clear ipa ref list.
913         (varpool_remove_node): Remove references.
914         (dump_varpool_node): Dump references.
915         (varpool_assemble_decl): Only compile finalized ones.
916         (varpool_extra_name_alias): Initialize ref list.
917         * lto-streamer.c (lto-get_section_name): Add .refs section.
918         * lto-streamer.h (lto_section_type): Add LTO_section_refs.
919         (referenced_from_other_partition_p): Declared.
920
921 2010-05-06  Ira Rosen  <irar@il.ibm.com>
922
923         PR tree-optimization/43901
924         * tree-vect-stmts.c (vectorizable_call): Assert that vector
925         type is not NULL if it's transformation phase, and return
926         FALSE if it's analysis.
927         (vectorizable_conversion, vectorizable_operation,
928         vectorizable_type_demotion, vectorizable_type_promotion): Likewise.
929
930 2010-05-05  Andrew Pinski  <andrew.pinski@caviumnetworks.com>
931
932         * config/mips/mips.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
933         Delete.
934         * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
935         New define.
936         * config/mips/mips-protos.h
937         (mips_small_register_classes_for_mode_p): Delete prototype.
938
939 2010-05-06  Bernd Schmidt  <bernds@codesourcery.com>
940
941         * config/arm/arm.h (MAX_LDM_STM_OPS): New macro.
942         * config/arm/arm.c (multiple_operation_profitable_p,
943         compute_offset_order): New static functions.
944         (load_multiple_sequence, store_multiple_sequence): Use them.
945         Replace constant 4 with MAX_LDM_STM_OPS.  Compute order[0] from
946         memory offsets, not register numbers.
947         (emit_ldm_seq, emit_stm_seq): Replace constant 4 with MAX_LDM_STM_OPS.
948
949 2010-05-05  Steven Bosscher  <steven@gcc.gnu.org>
950
951         * stor-layout.c (pending_sizes): Change the type to VEC(tree,gc) *.
952         (get_pending_sizes, put_pending_size, put_pending_sizes):
953         Update the uses of pending_sizes.
954         * c-decl.c (store_parm_decls): Likewise.
955         * c-tree.h (struct c_arg_info): Likewise.
956         * tree.h: Update the prototype for get_pending_sizes and
957         put_pending_sizes.
958
959 2010-05-05  Jason Merrill  <jason@redhat.com>
960
961         PR debug/43370
962         * c-common.c (handle_aligned_attribute): Respect
963         ATTR_FLAG_TYPE_IN_PLACE.
964
965         PR testsuite/43758
966         * target.h (struct gcc_target): Add attribute_takes_identifier_p.
967         * target_def.h (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
968         (TARGET_INITIALIZER): Use it.
969         * c-common.c (attribute_takes_identifier_p): Call it.
970         * c-common.h: Update prototype.
971         * config/rs6000/rs6000.c (rs6000_attribute_takes_identifier_p): New.
972         (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
973
974 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
975
976         PR debug/43950
977         * dwarf2out.c (gen_compile_unit_die): Add DW_AT_identifier_case
978         DW_ID_down_case for Fortran compilation units.
979
980 2010-05-05  Jan Hubicka  <jh@suse.cz>
981
982         * lto-cgraph.c (lto_output_varpool_node, input_varpool_node): Correctly
983         handle aliases.
984
985 2010-05-05  Eric Botcazou  <ebotcazou@adacore.com>
986
987         * gimplify.c (gimplify_return_expr): Gimplify the size expressions of
988         a variable-sized RESULT_DECL.
989
990 2010-05-05  Maxim Kuvyrkov  <maxim@codesourcery.com>
991
992         * doc/invoke.texi (-mfix-cortex-m3-ldrd): Move from ARC section to ARM.
993
994 2010-05-05  Jason Merrill  <jason@redhat.com>
995
996         PR c++/43787
997         * gimplify.c (gimplify_expr): Keep working if gimplify_modify_expr
998         returns GS_OK.
999         (gimplify_modify_expr_rhs): Return GS_OK if anything changed.
1000
1001 2010-05-05  Alexandre Oliva  <aoliva@redhat.com>
1002             Jakub Jelinek  <jakub@redhat.com>
1003
1004         PR debug/43478
1005         * df-problems.c (struct dead_debug_use, struct dead_debug): New.
1006         (dead_debug_init, dead_debug_finish): New functions.
1007         (dead_debug_add, dead_debug_insert_before): Likewise.
1008         (df_note_bb_compute): Initialize a dead_debug object, add dead
1009         debug uses to it, insert debug bind insns before death insns,
1010         reset debug insns that refer to pending uses at the end.
1011         * rtl.h (make_debug_expr_from_rtl): New prototype.
1012         * varasm.c (make_debug_expr_from_rtl): New function.
1013
1014 2010-05-05  Jan Hubicka  <jh@suse.cz>
1015
1016         * lto-cgraph.c (output_varpool): Forward declare; work on encoder.
1017         (lto_varpool_encoder_new, lto_varpool_encoder_delete,
1018         lto_varpool_encoder_encode, lto_varpool_encoder_lookup,
1019         lto_varpool_encoder_deref, lto_varpool_encoder_size,
1020         lto_varpool_encoder_encode_initializer_p,
1021         lto_set_varpool_encoder_encode_initializer): New functions.
1022         (lto_output_cgraph): Take vset parameter too; compute varpool encoder;
1023         call output_varpool.
1024         (input_varpool_node): Do not always set analyzed.
1025         (input_cgraph_1): Return vector of cgraph nodes.
1026         (input_varpool_1): Return vector of varpools.
1027         (input_cgraph): Free the vectors.
1028         * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
1029         output only initializers needed.
1030         (lto_output): Only call output_cgraph.
1031         (produce_asm_for_decls): Call lto_varpool_encoder_delete.
1032         * lto-section-out.c (lto_new_out_decl_state): Initialize
1033         state->varpool_node_encoder.
1034         * lto-streamer.h (lto_varpool_encoder_d): New.
1035         (lto_out_decl_state, lto_file_decl_data): Add varpool_node_encoder.
1036         (lto_cgraph_encoder_delete, output_cgraph): Update prototype.
1037         (lto_varpool_encoder_deref, lto_varpool_encoder_lookup,
1038         lto_varpool_encoder_encode, lto_varpool_encoder_delete,
1039         lto_varpool_encoder_encode_initializer_p, lto_varpool_encoder_new):
1040         Declare.
1041         (output_varpool, input_varpool): Remove declarations.
1042
1043 2010-05-05  Jan Hubicka  <jh@suse.cz>
1044
1045         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Alias of variable
1046         with body can prevail.
1047
1048 2010-05-05  Jan Hubicka  <jh@suse.cz>
1049
1050         * lto-symtab.c (lto_symtab_merge_decls_1): Prefer declarations with
1051         size.
1052
1053 2010-05-05  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1054
1055         * Makefile.in (build/gengtype.o): Add $(HASHTAB_H) to dependencies.
1056
1057         * gengtype.h (erro_at_line): Constify pos argument.
1058
1059         * gengtype.c: Include hashtab.h.
1060         (enum gc_used): Document GC_MAYBE_POINTED_TO.
1061         (error_at_line): Constify pos argument.
1062         (do_typedef): Initialize p->opt field.
1063         (get_file_gtfilename): Fix comment typo.
1064         (struct walk_type_data): Constify line field.
1065         (get_output_file_for_structure): New function.
1066         (write_local_func_for_structure): Constify orig_s argument.
1067         Use get_output_file_for_structure.
1068         (write_func_for_structure): Use get_output_file_for_structure.
1069         (INDENT): New define.
1070         (dump_pair, dump_type, dump_type_list, dump_typekind)
1071         (dump_gc_used, dump_options, dump_fileloc, dump_type_u_s)
1072         (dump_type_u_a, dump_type_u_param_struct, dump_everything): New
1073         functions.
1074         (seen_types): New variable.
1075         (main): New variable do_dump.  Process "-d" command line option.
1076         Call dump_everything if dump requested.
1077
1078 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
1079
1080         * var-tracking.c (var_debug_decl): Save DECL_DEBUG_EXPR value
1081         in a temporary instead of invoking the macro multiple times.
1082         (track_expr_p): Likewise.
1083
1084 2010-05-04  Neil Vachharajani <nvachhar@google.com>
1085
1086         * doc/invoke.texi (-Wcoverage-mismatch): Updated documentation as
1087         per new semantics.
1088         * opts.c (decode_options): Enable -Werror=coverage-mismatch.
1089         * coverage.c (get_coverage_counts): Always emit a warning.  Adjust
1090         conditions for printing notes.
1091         * common.opt (-Wcoverage-mismatch): Allow negative, default to
1092         true, update documentation.
1093         * Makefile.in (coverage.o): Add dependence on DIAGNOSTIC_H and intl.h.
1094
1095 2010-05-04  Jakub Jelinek  <jakub@redhat.com>
1096
1097         PR c/43981
1098         * c-parser.c (c_parser_direct_declarator_inner): Call mark_exp_read
1099         on dimen.
1100
1101 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
1102
1103         PR target/43799
1104         * config/i386/i386.md (sse_prologue_save): Clobber CC register.
1105         (*sse_prologue_save_insn1): Likewise.
1106         (SSE prologue save splitter): Likewise.
1107
1108 2010-05-04  Eric Botcazou  <ebotcazou@adacore.com>
1109
1110         * tree.c (free_lang_data_in_one_sizepos): New inline function.
1111         (free_lang_data_in_type): Call it on TYPE_{MIN|MAX}_VALUE of numerical
1112         types.  Call it on TYPE_SIZE and TYPE_SIZE_UNIT of all types.
1113         (free_lang_data_in_decl): Call it on DECL_SIZE and DECL_SIZE_UNIT of
1114         all decls.  Call it on DECL_FIELD_OFFSET of fields.
1115         (find_decls_types_r): Follow DECL_VALUE_EXPR.
1116         (iterative_hash_expr) <PLACEHOLDER_EXPR>: New case.
1117
1118 2010-05-04  Martin Jambor  <mjambor@suse.cz>
1119
1120         * tree-sra.c (build_access_from_expr_1): The first parameter type
1121         changed to simple tree.
1122         (build_access_from_expr): Likewise, gsi parameter was eliminated.
1123         (scan_assign_result): Renamed to assignment_mod_result, enum elements
1124         renamed as well.
1125         (build_accesses_from_assign): Removed all parameters except for a
1126         simple gimple statement.  Now returns a simple bool.
1127         (scan_function): All non-analysis parts moved to separate functions
1128         sra_modify_function_body and ipa_sra_modify_function_body.  Removed all
1129         parameters and updated both callers.
1130         (sra_modify_expr): Removed parameter data.
1131         (sra_modify_function_body): New function.
1132         (perform_intra_sra): Call sra_modify_function_body to modify the
1133         function body.
1134         (replace_removed_params_ssa_names): Parameter data changed into
1135         adjustments vector.
1136         (sra_ipa_modify_expr): Likewise.  Also removed unused parameter gsi and
1137         changed the parameter dont_convert to convert with the opposite
1138         meaning.
1139         (sra_ipa_modify_assign): Parameter data changed into adjustments
1140         vector, return value changed to bool.
1141         (ipa_sra_modify_function_body): New function.
1142         (sra_ipa_reset_debug_stmts): Updated a comment.
1143         (modify_function): Use ipa_sra_modify_function_body to modify function
1144         body.
1145
1146 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
1147
1148         PR middle-end/43671
1149         * alias.c (true_dependence): Handle the same VALUE in x and mem.
1150         (canon_true_dependence): Likewise.
1151         (write_dependence_p): Likewise.
1152
1153 2010-05-04  Jan Hubicka  <jh@suse.cz>
1154
1155         * Makefile.in (cgraphbuild.o): Add dependency on ipa-utils.h
1156         * cgraphbuild.c: Include ipa-utils.h
1157         (record_reference_ctx): New struct.
1158         (record_reference): Simplify to work on initializers; not statements.
1159         (mark_address, mark_load, mark_store): New.
1160         (build_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
1161         walk PHI nodes too.
1162         (record_references_in_initializer): Update use of record_reference.
1163         (rebuild_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
1164         walk PHI nodes too.
1165
1166 2010-05-04  Jan Hubicka  <jh@suse.cz>
1167
1168         * lto-symtab.c (lto_cgraph_replace_node): Do not remove edges;
1169         node will be removed anyway.
1170         (lto_varpool_replace_node): Allow also unanalyzed nodes;
1171         relink aliases of node into prevailing node.
1172         * varpool.c (varpool_remove_node): Remove aliases properly;
1173         when removing node, remove all its aliases too; remove DECL_INITIAL
1174         of removed node; ggc_free the varpool node.
1175
1176 2010-05-04  Richard Guenther  <rguenther@suse.de>
1177
1178         PR tree-optimization/43879
1179         * tree-ssa-structalias.c (alias_get_name): Use
1180         DECL_ASSEMBLER_NAME if available.
1181         (create_function_info_for): Return the varinfo node.
1182         (ipa_pta_execute): Associate same-body aliases and extra names
1183         with their origin nodes varinfo.  Dump DECL_ASSEMBLER_NAME.
1184
1185 2010-05-04  Kaz Kojima  <kkojima@gcc.gnu.org>
1186
1187         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Remove static.
1188
1189 2010-05-04  Mikael Pettersson  <mikpe@it.uu.se>
1190
1191         PR bootstrap/43964
1192         * ira-color.c (assign_hard_reg): Declare rclass and add_cost
1193         only if HONOR_REG_ALLOC_ORDER is not defined.
1194
1195 2010-05-04  Richard Guenther  <rguenther@suse.de>
1196
1197         PR tree-optimization/43949
1198         * tree-vrp.c (extract_range_from_binary_expr): Only handle
1199         TRUNC_MOD_EXPR.
1200
1201 2010-04-26  Jason Merrill  <jason@redhat.com>
1202
1203         * c.opt (-fstrict-enums): New.
1204         * doc/invoke.texi (C++ Dialect Options): Document -fstrict-enums.
1205
1206 2010-05-03  David Ung <davidu@mips.com>
1207             James E. Wilson  <wilson@codesourcery.com>
1208
1209         * config/mips/mips.c (mips_output_division): If GENERATE_DIVIDE_TRAPS,
1210         emit the trap instruction before the divide for TUNE_74K.
1211
1212 2010-05-03  Steven Bosscher  <steven@gcc.gnu.org>
1213
1214         * doc/tm.texi (defmac SMALL_REGISTER_CLASSES): Remove.
1215         (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Add documentation,
1216         based on the above, for new target hook.
1217
1218         * hooks.c (hook_bool_mode_true): New generic hook.
1219         * hooks.h (hook_bool_mode_true): Add prototype.
1220
1221         * target.h (struct gcc_target): Add small_register_classes_for_mode_p
1222         target hook.
1223         * target-def.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): New default
1224         target hook, set to hook_bool_mode_false.
1225         * regs.h: Remove default definition of SMALL_REGISTER_CLASSES.
1226         * reload.c (push_secondary_reload): Replace SMALL_REGISTER_CLASSES
1227         with targetm.small_register_classes_for_mode_p.
1228         (find_reusable_reload): Likewise.
1229         (combine_reloads): Likewise.
1230         * reload1.c (reload_as_needed): Likewise.
1231         * cse.c (approx_reg_cost_1, hash_rtx_cb): Likewise.
1232         * ifcvt.c (noce_process_if_block, check_cond_move_block,
1233         dead_or_predicable): Likewise.
1234         * regmove.c (optimize_reg_copy_1): Likewise.
1235         * calls.c (prepare_call_address): Likewise.
1236         (precompute_register_parameters): Likewise.
1237
1238         * config/sh/sh.h: Replace SMALL_REGISTER_CLASSES with new target
1239         hook definition.
1240         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Add
1241         implementation of the hook that considers all register classes
1242         small except for SH64.
1243         (sh_override_options): Use the new hook.
1244         * config/sh/sh-protos.h (sh_small_register_classes_for_mode_p):
1245         Add prototype.
1246
1247         * config/arm/arm.h: Replace SMALL_REGISTER_CLASSES with new target
1248         hook definition.
1249         * config/arm/arm.c (arm_small_register_classes_for_mode_p): Add
1250         implementation of the hook that considers all register classes
1251         small for THUMB1.
1252         * config/arm/arm-protos.h (arm_small_register_classes_for_mode_p):
1253         Add prototype.
1254
1255         * config/mips/mips.h: Replace SMALL_REGISTER_CLASSES with new target
1256         hook definition.
1257         * config/mips/mips.c (mips_small_register_classes_for_mode_p): Add
1258         implementation of the hook that considers all register classes
1259         small for MIPS16.
1260         * config/mips/mips-protos.h (mips_small_register_classes_for_mode_p):
1261         Add prototype.
1262
1263         * config/i386/i386.h: Replace SMALL_REGISTER_CLASSES with new target
1264         hook definition.
1265         * config/m32c/m32c.h: Likewise.
1266         * config/pdp11/pdp11.h: Likewise.
1267         * config/avr/avr.h: Likewise.
1268         * config/xtensa/xtensa.h: Likewise.
1269         * config/m68hc11/m68hc11.h: Likewise.
1270         * config/mn10300/mn10300.h: Likewise.
1271         * config/mcore/mcore.h: Likewise.
1272         * config/h8300/h8300.h: Likewise.
1273         * config/bfin/bfin.h: Likewise.
1274
1275         * config/iq2000/iq2000.h: Remove SMALL_REGISTER_CLASSES definition.
1276         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES definition.
1277
1278 2010-05-03  Anatoly Sokolov  <aesok@post.ru>
1279
1280         * double-int.h (tree_to_double_int): Remove macro.
1281         (double_int_to_tree, double_int_fits_to_tree_p): Move prototypes ...
1282         * tree.h (double_int_to_tree, double_int_fits_to_tree_p): ... here.
1283         (tree_to_double_int): New function.
1284         * double-int.c (double_int_to_tree, double_int_fits_to_tree_p):
1285         Move ...
1286         * tree.c (double_int_to_tree, double_int_fits_to_tree_p): ... here.
1287
1288 2010-05-03  Richard Guenther  <rguenther@suse.de>
1289
1290         PR tree-optimization/43971
1291         * tree-ssa-structalias.c (get_constraint_for_1): Fix
1292         constraints in the !flag_delete_null_pointer_checks case.
1293
1294 2010-05-03  Jakub Jelinek  <jakub@redhat.com>
1295
1296         PR debug/43972
1297         * config/i386/i386.c (ix86_delegitimize_address): Make sure the
1298         result mode matches original rtl mode.
1299
1300 2010-05-03  Dave Korn  <dave.korn.cygwin@gmail.com>
1301
1302         PR target/43888
1303         * config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls.
1304
1305 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
1306
1307         * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
1308         when processing flag options.
1309
1310 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
1311
1312         * gcov-iov.c (main): Change format string placeholder
1313         from %#08x to 0x%08x.
1314         * genchecksum.c (dosum): Change format string placeholder
1315         from %#02x to 0x%02x.
1316
1317 2010-05-02  Richard Guenther  <rguenther@suse.de>
1318
1319         PR tree-optimization/43879
1320         * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.
1321
1322 2010-05-02  Bruno Haible  <bruno@clisp.org>
1323
1324         * doc/extend.texi (Function Attributes): Fix a typo.
1325
1326 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
1327
1328         Revert:
1329         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
1330         placeholder from 0x%x to %#x.
1331         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
1332         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
1333         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
1334         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
1335         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
1336         * config/i386/i386.c (ix86_target_string): Ditto.
1337         * config/i386/i386.c (output_pic_addr_const): Ditto.
1338         (print_operand): Ditto.
1339
1340 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
1341
1342         * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
1343         placeholder from 0x%x to %#x.
1344         (ASM_OUTPUT_DEBUG_DATA1): Ditto.
1345         (ASM_OUTPUT_DEBUG_DATA4): Ditto.
1346         (ASM_OUTPUT_DEBUG_DATA): Ditto.
1347         (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
1348         (ASM_OUTPUT_DEBUG_DATA8): Ditto.
1349         * optc-gen.awk: Ditto.
1350         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
1351         (HOST_WIDE_INT_PRINT_HEX): Ditto.
1352         (HOST_WIDEST_INT_PRINT_HEX): Ditto.
1353         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
1354
1355 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
1356
1357         * target.h (struct calls): Add function_value_regno_p field.
1358         * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
1359         (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
1360         * targhooks.c (default_function_value_regno_p): New function.
1361         * targhooks.h (default_function_value_regno_p): Declare function.
1362         * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
1363         * builtins.c. (apply_result_size): (Ditto.).
1364         * combine.c. (likely_spilled_retval_p): (Ditto.).
1365         * mode-switching.c. Include 'target.h'.
1366         (create_pre_exit): Use function_value_regno_p hook.
1367         * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
1368         * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
1369         TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
1370
1371         * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
1372         * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
1373         (ix86_function_value_regno_p): Declare as static, change argument
1374         type to const unsigned int.
1375         * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
1376
1377 2010-05-01  Richard Guenther  <rguenther@suse.de>
1378
1379         PR tree-optimization/43949
1380         * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
1381         types.
1382         (extract_range_from_binary_expr): Handle *_MOD_EXPR.
1383
1384 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
1385
1386         * rtl.h (CONST_DOUBLE_P): Define.
1387         (rtx_to_double_int): Declare.
1388         * emit-rtl.c (rtx_to_double_int): New function.
1389         * dwarf2out.c (insert_double): New function.
1390         (loc_descriptor, add_const_value_attribute): Clean up, use
1391         rtx_to_double_int and insert_double functions.
1392
1393 2010-05-01  Jonathan Wakely  <jwakely.gcc@gmail.com>
1394
1395         * doc/extend.texi (Inline): Add missing return keyword to examples.
1396         (Function Attributes, Variable Attributes, Pragmas): Hyphenate
1397         "command-line".
1398
1399 2010-04-30  Eric Botcazou  <ebotcazou@adacore.com>
1400
1401         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
1402         the variable part of the offset as well.  Use highest_pow2_factor for
1403         all alignment checks.
1404
1405 2010-04-30  Richard Guenther  <rguenther@suse.de>
1406
1407         PR tree-optimization/43879
1408         * tree-ssa-structalias.c (type_could_have_pointers): Functions
1409         can have pointers.
1410
1411 2010-04-30  Jan Hubicka  <jh@suse.cz>
1412
1413         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
1414         varpool.
1415         (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
1416
1417 2010-04-30  Jan Hubicka  <jh@suse.cz>
1418
1419         * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
1420         New.
1421         * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
1422         * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
1423         (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
1424         cgraph_node_set_needs_ltrans_p): Remove.
1425
1426 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
1427
1428         * sdbout.c: Include vec.h, do not include varray.h.
1429         (deferred_global_decls, sdbout_global_decl,
1430         sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
1431         * toplev.c: Do not include varray.h.
1432         (dump_memory_report): Do not dump VARRAY statistics.
1433         * gengtype.c (open_base_file): Ignore varray.h.
1434         * Makefile.in: Update for abovementioned changes.
1435         Remove all traces of varray.c and varray.h.
1436         * varray.c: Remove file.
1437         * varray.h: Remove file.
1438
1439 2010-04-30  Jan Hubicka  <jh@suse.cz>
1440
1441         * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
1442         references.
1443
1444 2010-04-30  Jan Hubicka  <jh@suse.cz>
1445
1446         * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
1447         needed.
1448
1449 2010-04-30  Richard Guenther  <rguenther@suse.de>
1450
1451         * tree-ssa-structalias.c (get_constraint_for_1): Generate
1452         constraints for CONSTRUCTOR.
1453
1454 2010-04-30  Richard Guenther  <rguenther@suse.de>
1455
1456         PR lto/43946
1457         * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
1458         first after all lowering passes.
1459
1460 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
1461
1462         * toplev.c: Include varray.h for statistics dumping.
1463         * tree.h: Do not declare varray_head_tag.
1464         * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
1465         regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
1466         c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
1467         gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
1468         lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
1469         tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
1470         c-common.c, c-common.h, reg-stack.c, basic-block.h,
1471         tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
1472         include varray.h.
1473         * Makefile.in: Update for abovementioned changes.
1474
1475 2010-04-30  Jakub Jelinek  <jakub@redhat.com>
1476
1477         PR debug/43942
1478         * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
1479
1480 2010-04-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
1481
1482         * config/picochip/picochip.c (picochip_legitimize_address): Define.
1483         Use this function to do machine-specific conversion.
1484         (picochip_legitimize_reload_address): Likewise.
1485         (picochip_legitimate_address_p): Check valid base register only if
1486         strict.
1487         (picochip_check_conditional_copy): Check for modw only if opnd is
1488         register.
1489         * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
1490         to call the function in c.
1491         * config/picochip/picochip-protos.h
1492         (picochip_legitimize_reload_address): Define.
1493         * config/picochip/picochip.md (supported_compare1): Define.
1494
1495 2010-04-30  Jan Hubicka  <jh@suse.cz>
1496
1497         * cgraph.h (cgraph_local_info): Remove for_functions_valid.
1498         (cgraph_global_info): Remove inlined.
1499         (LTO_cgraph_tag_names): Remove.
1500         (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
1501         * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
1502         simplify cgraph tags and document.
1503         (lto_output_node): Use only LTO_cgraph_unavail_node and
1504         LTO_cgraph_analyzed_node; Do not save analzed, reachable,
1505         for_functions_valid, global info, process and output flags.
1506         (input_overwrite_node): Initialize estimated stack size and
1507         estimated growth.  Do not read flags we no longer store.
1508         (input_node): Likewise do not read info no longer stored.
1509         * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
1510         flag.
1511
1512 2010-04-30  Richard Guenther  <rguenther@suse.de>
1513
1514         PR tree-optimization/43879
1515         * tree-ssa-structalias.c (get_constraint_for_1): Properly
1516         handle non-zero initializers.
1517
1518 2010-04-30  Richard Guenther  <rguenther@suse.de>
1519
1520         * builtins.c (fold_builtin_1): Delete free (0).
1521
1522 2010-04-29  Jan Hubicka  <jh@suse.cz>
1523
1524         * gengtype.c (open_base_files): Add lto-streamer.h
1525         * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
1526         (pass_ipa_cp): GGC collect.
1527         * toplev. (compile_file): Do not output symbols.
1528         * ipa-inline.c (pass_ipa_inline): Add ggc collect.
1529         * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
1530         TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
1531         * lto-section-in.c: Include ggc.h
1532         (lto_new_in_decl_state): Alloc in GGC.
1533         (lto_delete_in_decl_state): Likewise.
1534         * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
1535         Collect.
1536
1537 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
1538
1539         PR target/42895
1540         * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
1541         ORDER_REGS_FOR_LOCAL_ALLOC.  All instances of this macro changed.
1542         (HONOR_REG_ALLOC_ORDER): Describe new macro.
1543         * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
1544         * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
1545         account only if HONOR_REG_ALLOC_ORDER is not defined.
1546         * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
1547         * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
1548
1549 2010-04-29  Jon Grant  <04@jguk.org>
1550
1551         * collect2.c (vflag): Change type from int to bool.
1552         (debug): Likewise.
1553         (helpflag): New global bool.
1554         (main): Set vflag and debug with boolean, not integer truth values.
1555         Accept new "--help" option and output usage text if found.
1556         * collect2.h (vflag): Update prototype.
1557         (debug): Likewise.
1558
1559 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
1560
1561         PR bootstrap/43936
1562         * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
1563
1564 2010-04-29  Richard Guenther  <rguenther@suse.de>
1565
1566         PR bootstrap/43935
1567         * plugin.h (invoke_plugin_callbacks): Annotate arguments
1568         with ATTRIBUTE_UNUSED.
1569
1570 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
1571
1572         PR target/43921
1573         * config/i386/i386.c (get_some_local_dynamic_name): Replace
1574         INSN_P with NONDEBUG_INSN_P.
1575         (distance_non_agu_define): Likewise.
1576         (distance_agu_use): Likewise.
1577
1578 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
1579
1580         From Dominique d'Humieres <dominiq@lps.ens.fr>
1581         PR bootstrap/43858
1582         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
1583         test_set.
1584
1585 2010-04-29  Brian Hackett  <bhackett1024@gmail.com>
1586
1587         * plugin.h (invoke_plugin_callbacks): New inline function.
1588         * plugin.c (flag_plugin_added): New global flag.
1589         (add_new_plugin): Initialize above flag.
1590         (invoke_plugin_callbacks): Rename to ...
1591         (invoke_plugin_callbacks_full): ... this.
1592
1593 2010-04-28  Jan Hubicka  <jh@suse.cz>
1594
1595         * lto-symtab.c (lto_symtab_entry_def) Add vnode.
1596         (lto_varpool_replace_node): New.
1597         (lto_symtab_resolve_symbols): Resolve varpool nodes.
1598         (lto_symtab_merge_decls_1): Prefer decls with varpool node.
1599         (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
1600         * cgraph.h (varpool_node_ptr): New type.
1601         (varpool_node_ptr): New vector.
1602         (varpool_node_set_def): New structure.
1603         (varpool_node_set): New type.
1604         (varpool_node_set): New vector.
1605         (varpool_node_set_element_def): New structure.
1606         (varpool_node_set_element, const_varpool_node_set_element): New types.
1607         (varpool_node_set_iterator): New type.
1608         (varpool_node): Add prev pointers, add used_from_other_partition,
1609         in_other_partition.
1610         (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
1611         varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
1612         varpool_get_node, varpool_remove_node): Declare.
1613         (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
1614         varpool_node_set_size): New inlines.
1615         * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
1616         * tree-pass.h (varpool_node_set_def): Forward declare.
1617         (ipa_opt_pass_d): Summary writting takes vnode sets too.
1618         (ipa_write_optimization_summaries): Update prototype.
1619         * ipa-cp.c (ipcp_write_summary): Update.
1620         * ipa-reference.c (ipa_reference_write_summary): Update.
1621         * lto-cgraph.c (lto_output_varpool_node): New static function.
1622         (output_varpool): New function.
1623         (input_varpool_node): New static function.
1624         (input_varpool_1): New function.
1625         (input_cgraph): Input varpool.
1626         * ipa-pure-const.c (pure_const_write_summary): Update.
1627         * lto-streamer-out.c (lto_output): Update, output varpool too.
1628         (write_global_stream): Kill WPA hack.
1629         (produce_asm_for_decls): Update.
1630         (output_alias_pair_p): Handle variables.
1631         (output_unreferenced_globals): Output only needed partition of varpool.
1632         * ipa-inline.c (inline_write_summary): Update.
1633         * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
1634         cgraph.
1635         * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
1636         * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
1637         varpool_node_set_new, varpool_node_set_add,
1638         varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
1639         debug_varpool_node_set): New functions.
1640         * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
1641         (execute_one_pass): Process new decls too.
1642         (ipa_write_summaries_2): Pass around vsets.
1643         (ipa_write_summaries_1): Likewise.
1644         (ipa_write_summaries): Build vset; be more selective about cgraph nodes
1645         to add.
1646         (ipa_write_optimization_summaries_1): Pass around vsets.
1647         (ipa_write_optimization_summaries): Likewise.
1648         * varpool.c (varpool_get_node): New.
1649         (varpool_node): Update doubly linked lists.
1650         (varpool_remove_node): New.
1651         (dump_varpool_node): More dumping.
1652         (varpool_enqueue_needed_node): Update doubly linked lists.
1653         (decide_is_variable_needed): Kill ltrans hack.
1654         (varpool_finalize_decl): Kill lto hack.
1655         (varpool_assemble_decl): Skip decls in other partitions.
1656         (varpool_assemble_pending_decls): Update doubly linkes lists.
1657         (varpool_empty_needed_queue): Likewise.
1658         (varpool_extra_name_alias): Likewise.
1659         * lto-streamer.c (lto_get_section_name): Add vars section.
1660         * lto-streamer.h (lto_section_type): Update.
1661         (output_varpool, input_varpool): Declare.
1662
1663 2010-04-28  Mike Stump  <mikestump@comcast.net>
1664
1665         * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
1666
1667 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1668
1669         * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
1670         record or union type with RECORD_OR_UNION_TYPE_P predicate.
1671         (lto_input_ts_type_tree_pointers): Likewise.
1672         * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
1673         (lto_output_ts_type_tree_pointers): Likewise.
1674
1675 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1676
1677         Uniquization of constants at the Tree level
1678         * tree.h (DECL_IN_CONSTANT_POOL): New macro.
1679         (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
1680         bit to the end.
1681         (tree_output_constant_def): Declare.
1682         * gimplify.c (gimplify_init_constructor): When using block copy, first
1683         uniquize the constant constructor on the RHS.
1684         * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
1685         DECL_IN_CONSTANT_POOL flag.
1686         * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
1687         * varasm.c (make_decl_rtl): Deal with variables belonging to the global
1688         constant pool.
1689         (assemble_variable): Deal with symbols belonging to the tree constant
1690         pool.
1691         (get_constant_section): Add ALIGN parameter and simplify.
1692         (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
1693         (assemble_constant_contents): Use the expression of the VAR_DECL.
1694         (output_constant_def_contents): Use the alignment of the VAR_DECL.
1695         (tree_output_constant_def): New global function.
1696         (mark_constant): Use the expression of the VAR_DECL.
1697         (place_block_symbol): Use the alignment of the VAR_DECL and the size of
1698         its expression.
1699         (output_object_block): Likewise and assemble the expression.
1700
1701 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1702
1703         * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
1704         hash_tree, eq_tree): New tree hash table.
1705         (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
1706         [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
1707         lto_orig_address_remove): Reimplement.
1708
1709 2010-04-28  Xinliang David Li  <davidxl@google.com>
1710
1711         PR c/42643
1712         * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
1713         (compute_uninit_opnds_pos): New function.
1714         (is_non_loop_exit_postdominating): New function.
1715         (compute_control_dep_chain): New function.
1716         (find_pdom): New function.
1717         (convert_control_dep_chain_into_preds): New function.
1718         (find_predicates): New function.
1719         (find_control_equiv_block): New function.
1720         (collect_phi_def_edges): New function.
1721         (find_def_preds): New function.
1722         (find_dom): New function.
1723         (dump_predicates): New function.
1724         (get_cmp_code): New function.
1725         (is_value_included_in): New function.
1726         (find_matching_predicate_in_rest_chains): New function.
1727         (use_pred_not_overlap_with_undef_path_pred): New function.
1728         (is_use_properly_guarded): New function.
1729         (normalize_cond_1): New function.
1730         (is_and_or_or): New function.
1731         (normalize_cond): New function.
1732         (is_gcond_subset_of): New function.
1733         (is_subset_of_any): New function.
1734         (is_or_set_subset_of): New function.
1735         (is_and_set_subset_of): New function.
1736         (is_norm_cond_subset_of): New function.
1737         (is_pred_expr_subset_of): New function.
1738         (is_pred_chain_subset_of): New function.
1739         (is_included_in): New function.
1740         (is_superset_of): New function.
1741         (find_uninit_use): New function.
1742         (warn_uninitialized_phi): New function.
1743         (compute_possibly_undefined_names): New function.
1744         (ssa_undefined_value_p): New function.
1745         (execute_late_warn_uninitialized): New function.
1746         * tree-ssa.c (ssa_undefined_value_p): Removed.
1747         (warn_uninit): Changed to extern.
1748         (warn_uninitialized_phi): Removed.
1749         (warn_uninitialized_vars): Changed to extern.
1750         (execute_late_warn_uninitialized): Removed
1751         * tree-flow.h: Add new prototypes.
1752         * timevar.def: Add new time variable.
1753         * Makefile.in: Add new build file.
1754
1755 2010-04-28  Uros Bizjak  <ubizjak@gmail.com>
1756
1757         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
1758         type if available.
1759
1760 2010-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1761
1762         PR target/22224
1763         * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
1764
1765 2010-04-28  Martin Jambor  <mjambor@suse.cz>
1766
1767         * cgraph.h (struct cgraph_node): New field indirect_calls.
1768         (struct cgraph_indirect_call_info): New type.
1769         (struct cgraph_edge): Removed field indirect_call. New fields
1770         indirect_info, indirect_inlining_edge and indirect_unknown_callee.
1771         (cgraph_create_indirect_edge): Declare.
1772         (cgraph_make_edge_direct): Likewise.
1773         (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
1774         * ipa-prop.h (struct ipa_param_call_note): Removed.
1775         (struct ipa_node_params): Removed field param_calls.
1776         (ipa_create_all_structures_for_iinln): Declare.
1777         * cgraph.c: Described indirect edges and uids in initial comment.
1778         (cgraph_add_edge_to_call_site_hash): New function.
1779         (cgraph_edge): Search also among the indirect edges, use
1780         cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
1781         (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
1782         one, use cgraph_add_edge_to_call_site_hash to add edges to the call
1783         site hash.
1784         (initialize_inline_failed): Assign a reason to indirect edges.
1785         (cgraph_create_edge_1): New function.
1786         (cgraph_create_edge): Moved some functionality to
1787         cgraph_create_edge_1.
1788         (cgraph_create_indirect_edge): New function.
1789         (cgraph_edge_remove_callee): Add an assert checking for
1790         non-indirectness.
1791         (cgraph_edge_remove_caller): Special-case indirect edges.
1792         (cgraph_remove_edge): Likewise.
1793         (cgraph_set_edge_callee): New function.
1794         (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
1795         (cgraph_make_edge_direct): New function.
1796         (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
1797         the declaration of the call statement matches.
1798         (cgraph_node_remove_callees): Special-case indirect edges.
1799         (cgraph_clone_edge): Likewise.
1800         (cgraph_clone_node): Clone also the indirect edges.
1801         (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
1802         indirect_call, dump count of indirect_calls edges.
1803         * ipa-prop.c (iinlining_processed_edges): New variable.
1804         (ipa_note_param_call): Create indirect edges instead of
1805         creating notes.  New parameter node.
1806         (ipa_analyze_call_uses): New parameter node, pass it on to
1807         ipa_note_param_call.
1808         (ipa_analyze_stmt_uses): Likewise.
1809         (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
1810         (print_edge_addition_message): Work on edges rather than on notes.
1811         (update_call_notes_after_inlining): Likewise, renamed to
1812         update_indirect_edges_after_inlining.
1813         (ipa_create_all_structures_for_iinln): New function.
1814         (ipa_free_node_params_substructures): Do not free notes.
1815         (ipa_edge_duplication_hook): Propagate bits within
1816         iinlining_processed_edges bitmap.
1817         (ipa_node_duplication_hook): Do not duplicate notes.
1818         (free_all_ipa_structures_after_ipa_cp): Renamed to
1819         ipa_free_all_structures_after_ipa_cp.
1820         (free_all_ipa_structures_after_iinln): Renamed to
1821         ipa_free_all_structures_after_iinln.
1822         (ipa_write_param_call_note): Removed.
1823         (ipa_read_param_call_note): Removed.
1824         (ipa_write_indirect_edge_info): New function.
1825         (ipa_read_indirect_edge_info): Likewise.
1826         (ipa_write_node_info): Do not stream notes, do stream information
1827         in indirect edges.
1828         (ipa_read_node_info): Likewise.
1829         (lto_ipa_fixup_call_notes): Removed.
1830         * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
1831         * ipa-inline.c (pass_ipa_inline): Likewise.
1832         * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
1833         * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
1834         * tree-inline.c (copy_bb): Removed an unnecessary double check for
1835         is_gimple_call.
1836         * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
1837         edges.
1838         * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
1839         (output_cgraph): Stream also indirect edges.
1840         (lto_output_edge): Added capability to stream indirect edges.
1841         (input_edge): Likewise.
1842         (input_cgraph_1): Likewise.
1843         * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
1844         of indirect edges.
1845
1846 2010-04-28  Richard Guenther  <rguenther@suse.de>
1847
1848         PR tree-optimization/43879
1849         PR tree-optimization/43909
1850         * tree-ssa-structalias.c (struct variable_info): Add
1851         only_restrict_pointers flag.
1852         (new_var_info): Initialize it.  Increment stats.total_vars here.
1853         (create_function_info_for): Do not increment stats.total_vars here.
1854         (get_function_part_constraint): Fix build with C++.
1855         (insert_into_field_list): Remove.
1856         (push_fields_onto_fieldstack): Properly merge fields.
1857         (create_variable_info_for): Split and simplify.
1858         (create_variable_info_for_1): New piece.
1859         (intra_create_variable_infos): Properly make restrict constraints
1860         from parameters.
1861
1862 2010-04-28  Richard Guenther  <rguenther@suse.de>
1863
1864         PR c++/43880
1865         * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
1866
1867 2010-04-27  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1868             Jan Hubicka <hubicka@ucw.cz>
1869
1870         * doc/invoke.texi (-Wsuggest-attribute=const,
1871         -Wsuggest-attribute=pure): Document.
1872         * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
1873         (function_always_visible_to_compiler_p,
1874         suggest_attribute, warn_function_pure, warn_function_const):
1875         New functions.
1876         (check_call): Improve debug info.
1877         (analyze_function): Do not check availability.
1878         (add_new_function): Check availability.
1879         (propagate): Output warnings.
1880         (skip_function_for_local_pure_const): New function.
1881         (local_pure_const): Use it; output warnings.
1882         * common.opt (Wsuggest-attribute=const,
1883         Wsuggest-attribute=pure): New.
1884
1885 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
1886
1887         * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
1888         force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
1889         or DW_CFA_def_cfa_offset{,_sf}.
1890
1891 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
1892
1893         * tree.h: Fix truncated long macros.
1894
1895 2010-04-27  Kai Tietz  <kai.tietz@onevision.com>
1896
1897         * collect2.c (TARGET_64BIT): Redefine to target's default.
1898         * tlink.c: Likewise.
1899         * config/i386/cygming.h (USER_LABEL_PREFIX): Define
1900         dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
1901         * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
1902         for underscoring __USER_LABEL_PREFIX__.
1903         * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
1904         (SUB_LINK_ENTRY32): New.
1905         (SUB_LINK_ENTRY64): New.
1906         (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
1907         * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
1908         (SUB_LINK_ENTRY64): New.
1909         (SUB_LINK_ENTRY): New.
1910         (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
1911         (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
1912         x64 target is choosen.
1913         * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
1914         * configure: Regenerated.
1915         * configure.ac (leading-mingw64-underscores): Option added.
1916
1917 2010-04-27  Jan Hubicka  <jh@suse.cz>
1918
1919         * doc/invoke.texi (-fipa-profile): Document.
1920         * opts.c (decode_options): Enable ipa-profile at -O1.
1921         * timevar.def (TV_IPA_PROFILE): Define.
1922         * common.opt (fipa-profile): Add.
1923         * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
1924         flag for clones.
1925         (cgraph_propagate_frequency): Handle only local ones.
1926         * tree-pass.h (pass_ipa_profile): Declare.
1927         * ipa-profile.c (gate_profile): Use flag_ipa_profile.
1928         (pass_ipa_profile): Use TV_IPA_PROFILE.
1929         * ipa.c (ipa_profile): New function.
1930         (gate_ipa_profile): Likewise.
1931         (pass_ipa_profile): New global variable.
1932         * passes.c (pass_ipa_profile): New.
1933
1934 2010-04-27  Nathan Froyd  <froydnj@codesourcery.com>
1935
1936         * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
1937
1938 2010-04-27  Martin Jambor  <mjambor@suse.cz>
1939
1940         PR middle-end/43812
1941         * ipa.c (dissolve_same_comdat_group_list): New function.
1942         (function_and_variable_visibility): Call
1943         dissolve_same_comdat_group_list when comdat group contains external or
1944         newly local nodes.
1945         * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
1946         lists are circular and that they contain only DECL_ONE_ONLY nodes.
1947
1948 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
1949
1950         * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
1951         (const_hash_1) <VECTOR_CST>: New case.
1952         (compare_constant) <VECTOR_CST>: Likewise.
1953         <ADDR_EXPR>: Deal with LABEL_REFs.
1954         (copy_constant) <VECTOR_CST>: New case.
1955
1956 2010-04-27  Jan Hubicka  <jh@suse.cz>
1957
1958         * cgraph.c (cgraph_propagate_frequency): New function.
1959         * cgraph.h (cgraph_propagate_frequency): Declare.
1960         * ipa-inline.c (cgraph_clone_inlined_nodes): Call
1961         cgraph_propagate_frequency.
1962
1963 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
1964
1965         * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
1966
1967 2010-04-27  Bernd Schmidt  <bernds@codesourcery.com>
1968
1969         PR target/40657
1970         * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
1971         (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
1972         here to determine which regs to push and how much stack to reserve.
1973
1974 2010-04-27  Jie Zhang  <jie@codesourcery.com>
1975
1976         * doc/gimple.texi (gimple_statement_with_ops): Remove
1977         addresses_taken field.
1978         (gimple_statement_with_memory_ops): Likewise.
1979
1980 2010-04-27  Jan Hubicka  <jh@suse.cz>
1981
1982         * tree-inline.c (eni_inlining_weights): Remove.
1983         (estimate_num_insns): Special case more builtins.
1984
1985 2010-04-27  Shujing Zhao  <pearly.zhao@oracle.com>
1986
1987         PR c/32207
1988         * c-typeck.c (build_binary_op): Move forward check for comparison
1989         pointer with null pointer constant and adjust the diagnostic message.
1990
1991 2010-04-27  Dave Korn  <dave.korn.cygwin@gmail.com>
1992
1993         PR lto/42776
1994         * configure.ac (gcc_cv_as_section_has_align): Set if installed
1995         binutils supports extended .section directive needed by LTO, or
1996         warn if older binutils found.
1997         (LTO_BINARY_READER): New AC_SUBST'd variable.
1998         (LTO_USE_LIBELF): Likewise.
1999         * gcc/config.gcc (lto_binary_reader): New target-specific configure
2000         variable.
2001         * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
2002         (LTO_USE_LIBELF): Likewise.
2003         * configure: Regenerate.
2004
2005         * collect2.c (is_elf): Rename from this ...
2006         (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
2007          object files in addition to ELF-formatted ones.
2008         (scan_prog_file): Caller updated.  Also allow for LTO info marker
2009         symbol to be prefixed or not by an extra underscore.
2010
2011         * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
2012         * config/i386/winnt.c: Also #include lto-streamer.h
2013         (i386_pe_asm_named_section): Specify 1-byte section alignment for
2014         LTO named sections.
2015         (i386_pe_asm_output_aligned_decl_common): Add comment.
2016         (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
2017
2018 2010-04-27  Hans-Peter Nilsson  <hp@bitrange.com>
2019
2020         PR target/43889
2021         * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
2022         Add missing earlyclobber for second alternative.
2023
2024 2010-04-26  Bernd Schmidt  <bernds@codesourcery.com>
2025
2026         * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
2027         bits for artificial defs at the top of the block.
2028         * fwprop.c (single_def_use_enter_block): Don't call it.
2029
2030 2010-04-26  Jack Howarth <howarth@bromo.med.uc.edu>
2031
2032         PR 43715
2033         * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
2034         instead of "$gcc_cv_objdump -T".
2035         Use "-undefined dynamic_lookup" on darwin.
2036         * gcc/configure: Regenerate.
2037
2038 2010-04-26  Jakub Jelinek  <jakub@redhat.com>
2039
2040         PR c/43893
2041         * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
2042
2043 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
2044
2045         * c-parser.c (struct c_token): Move location field up.
2046         * c-tree.h (struct c_typespec): Move expr_const_operands field up.
2047         (struct c_declspecs): Convert typespec_word, storage_class, and
2048         default_int_p into bitfields.
2049         (struct c_declarator): Move loc field up.
2050
2051 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
2052
2053         * cfgloop.h (struct loop): Move can_be_parallel field up.
2054         * ipa-prop.h (struct ip_node_params): Move bitfields up.
2055         * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
2056         down.
2057         (struct iv_cand): Convert pos field into a bitfield.
2058         * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
2059         field up.
2060         (struct _stmt_vec_info): Shuffle fields for better packing.
2061
2062 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
2063
2064         * varasm.c (IN_NAMED_SECTION): Remove guard.
2065         * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
2066         (IN_NAMED_SECTION_P): ...this.
2067         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
2068         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
2069
2070 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
2071
2072         * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
2073         Use VOID_TYPE_P for all void type tests.  Adjust TYPE variable instead
2074         of shadowing it.  Fix comments.
2075
2076 2010-04-26  Jan Hubicka  <jh@suse.cz>
2077
2078         * cgraph.c (cgraph_create_node): Set node frequency to normal.
2079         (cgraph_clone_node): Copy function frequency.
2080         * cgraph.h (node_frequency): New enum
2081         (struct cgraph_node): Add.
2082         * final.c (rest_of_clean_state): Update.
2083         * lto-cgraph.c (lto_output_node): Output node frequency.
2084         (input_overwrite_node): Input node frequency.
2085         * tre-ssa-loop-ivopts (computation_cost): Update.
2086         * lto-streamer-out.c (output_function): Do not output function
2087         frequency.
2088         * predict.c (maybe_hot_frequency_p): Update and handle functions
2089         executed once.
2090         (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
2091         attribute lookup.
2092         (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
2093         (compute_function_frequency): Set noreturn functions to be executed
2094         once.
2095         (choose_function_section): Update.
2096         * lto-streamer-in.c (input_function): Do not input function frequency.
2097         * function.c (allocate_struct_function): Do not initialize function
2098         frequency.
2099         * function.h (function_frequency): Remove.
2100         (struct function): Remove function frequency.
2101         * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
2102         (try_update): Update.
2103         * tree-inline.c (initialize_cfun): Do not update function frequency.
2104         * passes.c (pass_init_dump_file): Update.
2105         * i386.c (ix86_compute_frame_layout): Update.
2106         (ix86_pad_returns): Update.
2107
2108 2010-04-26  Jie Zhang  <jie@codesourcery.com>
2109
2110         PR tree-optimization/43833
2111         * tree-vrp.c (range_int_cst_p): New.
2112         (range_int_cst_singleton_p): New.
2113         (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
2114         when both operands are constants.  Use range_int_cst_p in
2115         BIT_IOR_EXPR case.
2116
2117 2010-04-26  Jan Hubicka  <jh@suse.cz>
2118
2119         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
2120
2121 2010-04-26  Richard Guenther  <rguenther@suse.de>
2122
2123         PR lto/43080
2124         * gimple.c (gimple_decl_printable_name): Deal gracefully
2125         with a NULL DECL_NAME.
2126
2127 2010-04-26  Richard Guenther  <rguenther@suse.de>
2128
2129         PR lto/42425
2130         * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
2131         if emitting debug information and it is either a function
2132         or a namespace decl.
2133
2134 2010-04-26  Ira Rosen  <irar@il.ibm.com>
2135
2136         * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
2137         determine if the statement is vectorizable, and a macro to access it.
2138         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
2139         Skip statements that can't be vectorized. If the analysis fails,
2140         mark the statement as unvectorizable if vectorizing basic block.
2141         (vect_compute_data_refs_alignment): Likewise.
2142         (vect_verify_datarefs_alignment): Skip statements marked as
2143         unvectorizable. Add print.
2144         (vect_analyze_group_access): Skip statements that can't be
2145         vectorized. If the analysis fails, mark the statement as
2146         unvectorizable if vectorizing basic block.
2147         (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
2148         * tree-vect-stmts.c (vectorizable_store): Fix the number of
2149         generated stmts for SLP.
2150         (new_stmt_vec_info): Initialize the new field.
2151         * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
2152         statements marked as unvectorizable.
2153
2154 2010-04-25  Joseph Myers  <joseph@codesourcery.com>
2155
2156         * c-common.c (flag_isoc1x): New.
2157         (flag_isoc99): Update comment.
2158         * c-common.h (flag_isoc1x): New.
2159         (flag_isoc99): Update comment.
2160         * c-cppbuiltin.c (builtin_define_float_constants): Also define
2161         __<type>_DECIMAL_DIG__.
2162         * c-opts.c (set_std_c1x): New.
2163         (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
2164         (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
2165         * c.opt (-std=c1x, -std=gnu1x): New options.
2166         * doc/cpp.texi: Mention -std=c1x.
2167         * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
2168         * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
2169         * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
2170         * doc/standards.texi: Mention C1X.
2171         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
2172         LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
2173         LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
2174         Define for C1X.
2175
2176 2010-04-25  Uros Bizjak  <ubizjak@gmail.com>
2177
2178         * config/i386/gmon-sol2.c (_mcleanup): Change format string
2179         placeholder from 0x%x to %#x.
2180         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
2181         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
2182         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
2183         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
2184         * config/i386/i386.c (ix86_target_string): Ditto.
2185         (output_pic_addr_const): Ditto.
2186         (print_operand): Ditto.
2187
2188 2010-04-25  Paolo Bonzini  <bonzini@gnu.org>
2189
2190         * combine.c (find_split_point): Add third argument.  Use it
2191         to find nested multiply-accumulate instructions.  Adjust calls.
2192         (try_combine): Adjust call to find_split_point.
2193
2194 2010-04-24  Gerald Pfeifer  <gerald@pfeifer.com>
2195
2196         * doc/contrib.texi (Contributors): Add Dodji Seketeli.
2197
2198 2010-04-24  Bernd Schmidt  <bernds@codesourcery.com>
2199
2200         PR tree-optimization/41442
2201         * fold-const.c (merge_truthop_with_opposite_arm): New function.
2202         (fold_binary_loc): Call it.
2203
2204 2010-04-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2205
2206         * toplev.c (general_init): Set default for fdiagnostics-show-option.
2207         * opts.c (common_handle_option): Allow disabling it.
2208         * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
2209
2210 2010-04-23  Eric Botcazou  <ebotcazou@adacore.com>
2211
2212         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
2213         between modes if both types are integral.
2214
2215 2010-04-23  Richard Guenther  <rguenther@suse.de>
2216
2217         PR tree-optimization/43572
2218         * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
2219
2220 2010-04-23  Richard Guenther  <rguenther@suse.de>
2221
2222         PR lto/43455
2223         * tree-inline.c (tree_can_inline_p): Also check compatibility
2224         of return types.
2225
2226 2010-04-23  Martin Jambor  <mjambor@suse.cz>
2227
2228         PR tree-optimization/43846
2229         * tree-sra.c (struct access): New flag grp_assignment_read.
2230         (build_accesses_from_assign): Set grp_assignment_read.
2231         (sort_and_splice_var_accesses): Propagate grp_assignment_read.
2232         (enum mark_read_status): New type.
2233         (analyze_access_subtree): Propagate grp_assignment_read, create
2234         accesses also if both direct_read and root->grp_assignment_read.
2235
2236 2010-04-23  Martin Jambor  <mjambor@suse.cz>
2237
2238         PR middle-end/43835
2239         * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
2240         function does not have type attributes.
2241
2242 2010-04-23  Richard Guenther  <rguenther@suse.de>
2243
2244         PR lto/42653
2245         * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
2246         of FUNCTION_DECLs.
2247
2248 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2249
2250         * sese.h (create_if_region_on_edge): Remove.
2251
2252         * sese.c (create_if_region_on_edge): Make static.
2253
2254         * tree-inline.c: Do not include ggc.h.
2255
2256         * expr.c: Do not include ggc.h.
2257
2258         * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
2259         dependencies.
2260
2261 2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>
2262
2263         PR target/43744
2264         * config/sh/sh.c (find_barrier): Don't emit a constant pool
2265         in the middle of insns for casesi_worker_2.
2266
2267 2010-04-22  David Edelsohn  <edelsohn@gnu.org>
2268
2269         * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
2270
2271 2010-04-22  Ira Rosen  <irar@il.ibm.com>
2272
2273         PR tree-optimization/43842
2274         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
2275         loop unrolling in update of exit phis. Fix comment.
2276         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
2277         least two reduction statements in the loop before starting SLP
2278         analysis.
2279
2280 2010-04-22  Nick Clifton  <nickc@redhat.com>
2281
2282         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
2283
2284 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
2285
2286         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
2287         to simplify a + ~a.
2288
2289 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2290
2291         * tree-parloops.c (loop_parallel_p): New argument
2292         parloop_obstack.  Pass it down.
2293         (parallelize_loops): New variable parloop_obstack.  Initialize it,
2294         pass it down, free it.
2295
2296         * tree-loop-linear.c (linear_transform_loops): Pass down
2297         lambda_obstack.
2298
2299         * tree-data-ref.h (lambda_compute_access_matrices): New argument
2300         of type struct obstack *.
2301
2302         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
2303         scratch_obstack.  Initialize it, pass down, free it.
2304
2305         * lambda.h (lambda_loop_new): Remove.
2306         (lambda_matrix_new, lambda_matrix_inverse)
2307         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
2308         argument of type struct obstack *.
2309
2310         * lambda-trans.c (lambda_trans_matrix_new): New argument
2311         lambda_obstack.  Pass it down, use obstack allocation for ret.
2312         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
2313         it down.
2314
2315         * lambda-mat.c (lambda_matrix_get_column)
2316         (lambda_matrix_project_to_null): Remove.
2317         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
2318         allocation for mat.
2319         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
2320         lambda_obstack.
2321
2322         * lambda-code.c (lambda_loop_new): New function.
2323         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
2324         (lambda_compute_auxillary_space, lambda_compute_target_space)
2325         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
2326         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
2327         (build_access_matrix): New argument lambda_obstack.  Use obstack
2328         allocation for am.
2329         (lambda_compute_step_signs, lambda_compute_access_matrices): New
2330         argument lambda_obstack.  Pass it down.
2331
2332 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
2333
2334         * optabs.h (expand_widening_mult): Declare.
2335
2336 2010-04-22  Richard Guenther  <rguenther@suse.de>
2337
2338         PR tree-optimization/43845
2339         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
2340         lookup the CALL_EXPR function and arguments.
2341
2342 2010-04-22  Nick Clifton  <nickc@redhat.com>
2343
2344         * config/stormy16/stormy16.c
2345         (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
2346         * config/stormy16/stormy16.h: Tidy up formatting.
2347         (DONT_USE_BUILTIN_SETJMP): Remove definition.
2348         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
2349         (ineqbranchsi): Delete pattern.
2350         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
2351         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
2352         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
2353         stormy16-lib2-ucmpsi2.c.
2354
2355 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
2356
2357         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
2358         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
2359         extra set merge_set_noclobber, and use it to relax the final test
2360         slightly.
2361         * df.h (df_simulate_find_noclobber_defs): Declare.
2362         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
2363         conditional defs.
2364         (df_simulate_find_noclobber_defs): New function.
2365
2366 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
2367
2368         * config/i386/i386.md: Use {} around multi-line preparation statements.
2369
2370 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2371
2372         * c-tree.h (push_init_level, pop_init_level, set_init_index)
2373         (process_init_element): New argument of type struct obstack *.
2374
2375         * c-typeck.c (push_init_level, pop_init_level, set_designator)
2376         (set_init_index, set_init_label, set_nonincremental_init)
2377         (set_nonincremental_init_from_string, find_init_member)
2378         (output_init_element, output_pending_init_elements)
2379         (process_init_element): New argument braced_init_obstack.  Pass it
2380         down.
2381         (push_range_stack, add_pending_init): New argument
2382         braced_init_obstack.  Use obstack allocation.
2383
2384         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
2385         braced_init_obstack.  Pass it down.
2386         (c_parser_braced_init): New variables ret, braced_init_obstack.
2387         Initialize obstack, pass it down and finally free it.
2388
2389 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
2390
2391         PR middle-end/29274
2392         * tree-pass.h (pass_optimize_widening_mul): Declare.
2393         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
2394         gate_optimize_widening_mul): New static functions.
2395         (pass_optimize_widening_mul): New.
2396         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
2397         <case MULT_EXPR>: Remove support for widening multiplies.
2398         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
2399         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
2400         simplify_gen_unary rather than directly building extensions.
2401         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
2402         WIDEN_MULT_EXPR.
2403         * expmed.c (expand_widening_mult): New function.
2404         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
2405
2406 2010-04-21  Jan Hubicka  <jh@suse.cz>
2407
2408         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
2409         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
2410         * lto-wpa-fixup.c: Remove.
2411         * Makefile.in (lto-wpa-fixup.o): Remove.
2412         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
2413         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
2414         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
2415
2416 2010-04-21  Jan Hubicka  <jh@suse.cz>
2417
2418         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
2419         add write_optimization_summary, read_optimization_summary.
2420         (ipa_write_summaries_of_cgraph_node_set): Remove.
2421         (ipa_write_optimization_summaries): Declare.
2422         (ipa_read_optimization_summaries): Declare.
2423         * ipa-cp.c (pass_ipa_cp): Update.
2424         * ipa-reference.c (pass_ipa_reference): Update.
2425         * ipa-pure-const.c (pass_ipa_pure_const): Update.
2426         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
2427         Update.
2428         * ipa-inline.c (pass_ipa_inline): Update.
2429         * ipa.c (pass_ipa_whole_program): Update.
2430         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
2431         * passes.c (ipa_write_summaries_1): Do not test wpa.
2432         (ipa_write_optimization_summaries_1): New.
2433         (ipa_write_optimization_summaries): New.
2434         (ipa_read_summaries): Do not test ltrans.
2435         (ipa_read_optimization_summaries_1): New.
2436         (ipa_read_optimization_summaries): New.
2437
2438 2010-04-21  Jan Hubicka  <jh@suse.cz>
2439
2440         * lto-cgraph.c (lto_output_node): Do not output comdat groups
2441         for boundary nodes.
2442         (output_cgraph): Do not arrange comdat groups for boundary nodes.
2443
2444 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
2445
2446         PR debug/40040
2447         * dwarf2out.c (add_name_and_src_coords_attributes): Add
2448         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
2449
2450 2010-04-21  Jan Hubicka  <jh@suse.cz>
2451
2452         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
2453
2454 2010-04-21  Jan Hubicka  <jh@suse.cz>
2455
2456         * varpool.c (decide_is_variable_needed): Variable is always needed
2457         during ltrans.
2458
2459 2010-04-21  Jan Hubicka  <jh@suse.cz>
2460
2461         * opts.c (decode_options): Enable pure-const pass for whopr.
2462
2463 2010-04-21  Jan Hubicka  <jh@suse.cz>
2464
2465         * cgraph.c (dump_cgraph_node): Dump also assembler name.
2466         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
2467         at WPA dumping.
2468         (cgraph_decide_inlining): Do not expect callee to be removed in all
2469         cases.
2470
2471 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
2472
2473         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
2474
2475 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
2476
2477         * config/i386/i386.md (x86_shrd): Add athlon_decode and
2478         amdfam10_decode attributes.
2479
2480 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
2481
2482         PR middle-end/43570
2483         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
2484         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
2485         (lower_copyprivate_clauses): Use private var in outer
2486         context instead of original var.  Make sure the types
2487         are correct for VLAs.
2488
2489 2010-04-21  Richard Guenther  <rguenther@suse.de>
2490
2491         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
2492         to non-pointer objects.
2493
2494 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
2495
2496         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
2497         last chain entry if it starts with the still current label.
2498         (add_location_or_const_value_attribute): Check that
2499         loc_list->first->next is NULL instead of comparing ->first with ->last.
2500         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
2501         to add_var_loc_to_decl.
2502
2503         * dwarf2out.c (output_call_frame_info): For dw_cie_version
2504         >= 4 add also address size and segment size fields into CIE header.
2505
2506         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
2507         long as address size is the same as sizeof (void *) and
2508         segment size is 0.
2509         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
2510         address size or segment size is unexpected, return DW_EH_PE_omit.
2511         (classify_object_over_fdes): If get_cie_encoding returned
2512         DW_EH_PE_omit, return -1.
2513         (init_object): If classify_object_over_fdes returned -1,
2514         pretend there were no FDEs at all.
2515
2516 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
2517
2518         * config/i386/i386.md (bswap<mode>2): Macroize expander from
2519         bswap{si,di}2 using SWI48 mode iterator.
2520         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
2521         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
2522         set modrm attribute of bswap insn to 0 and remove length attribute.
2523         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
2524         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
2525         set mode attribute to <MODE> and remove length attribute.
2526
2527 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
2528
2529         PR rtl-optimization/43520
2530         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
2531         zero available registers.
2532
2533 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2534
2535         * builtins.c (fold_builtin_cproj): Fold more cases.
2536
2537 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2538
2539         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
2540         (fold_builtin_1): Fold builtin cproj.
2541         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
2542         Use ATTR_CONST_NOTHROW_LIST.
2543
2544 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
2545
2546         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
2547         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
2548         ffsi2_no_cmove for !TARGET_CMOVE.
2549         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
2550         (ffssi2): Remove expander.
2551         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
2552         mode iterator.
2553         (ctz<mode>2): Ditto from ctz{si,di}2.
2554         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
2555         mode iterator.
2556         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
2557         mode iterator.
2558
2559 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
2560
2561         * dwarf2out.c (AT_linkage_name): Define.
2562         (clone_as_declaration): Handle DW_AT_linkage_name.
2563         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
2564         of DW_AT_MIPS_linkage_name.
2565         (move_linkage_attr): Likewise.
2566         (dwarf2out_finish): Likewise.
2567
2568 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
2569
2570         PR middle-end/41952
2571         * fold-const.c (fold_comparison): New folding rule.
2572
2573 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
2574
2575         * double-int.h (double_int_setbit): Declare.
2576         * double-int.c (double_int_setbit): New function.
2577         * rtl.h (immed_double_int_const): Declare.
2578         * emit-rtl.c (immed_double_int_const): New function.
2579         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
2580         and immed_double_int_const functions.
2581         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
2582         expand_copysign_bit):  (Ditto.).
2583         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
2584         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
2585         * dojump.c (prefer_and_bit_test): (Ditto.).
2586         * expr.c (convert_modes, reduce_to_bit_field_precision,
2587         const_vector_from_tree): (Ditto.).
2588         * expmed.c (mask_rtx, lshift_value): (Ditto.).
2589
2590 2010-04-20  Jan Hubicka  <jh@suse.cz>
2591
2592         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
2593         (dump_cgraph_node): Dump new flags.
2594         * cgraph.h (struct cgraph_node): Add flags
2595         reachable_from_other_partition and in_other_partition.
2596         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
2597         other partition can not be removed.
2598         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
2599         the other partition must be output; silence sanity checking on
2600         leaking functions bodies from other paritition.
2601         * lto-cgraph.c (reachable_from_other_partition_p): New function.
2602         (lto_output_node): Output new flags; do not sanity check that inline
2603         clones are output; drop lto_forced_extern_inline_p code; do not mock
2604         visibility flags at partition boundaries.
2605         (add_node_to): New function.
2606         (output_cgraph): Use it to sort functions so masters appear before
2607         clones.
2608         (input_overwrite_node): Input new flags.
2609         * passes.c (ipa_write_summaries): Do not call
2610         lto_new_extern_inline_states.
2611         * lto-section-out.c (forced_extern_inline,
2612         lto_new_extern_inline_states lto_delete_extern_inline_states,
2613         lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
2614         * lto-streamer.h (lto_new_extern_inline_states,
2615         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
2616         lto_forced_extern_inline_p): Kill.
2617
2618 2010-04-20  Richard Guenther  <rguenther@suse.de>
2619
2620         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
2621         from vars that can have pointers.
2622         (process_constraint): Dump useless constraints.
2623
2624 2010-04-20  Richard Guenther  <rguenther@suse.de>
2625
2626         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
2627         (dump_sa_points_to_info): Remove asserts.
2628         (init_base_vars): nothing_id isn't an escape point nor does it
2629         have pointers.
2630
2631 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
2632
2633         * tree.h (TYPE_REF_IS_RVALUE): Define.
2634         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
2635         should_move_die_to_comdat, prune_unused_types_walk): Handle
2636         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
2637         (modified_type_die, gen_reference_type_die): Emit
2638         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
2639         if TYPE_REF_IS_RVALUE and -gdwarf-4.
2640
2641 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2642
2643         PR target/43635
2644         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
2645         calls for -fpic -m31 if they have been sibcall optimized.
2646
2647 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
2648
2649         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
2650         ar.lc fixed and call-used.
2651
2652         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
2653
2654 2010-04-19  Jan Hubicka  <jh@suse.cz>
2655
2656         * opts.c (decode_options): Disable whpr incompatible passes.
2657         * lto/lto.c (lto_1_to_1_map): Skip clones.
2658         (read_cgraph_and_symbols): Do not mark everything as needed.
2659         (do_whole_program_analysis): Do map only after optimizing;
2660         set proper cgraph_state; use passmanager.
2661
2662 2010-04-19  DJ Delorie  <dj@redhat.com>
2663
2664         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
2665         POINTER_PLUS_EXPR and fix them.
2666
2667 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
2668
2669         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
2670         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
2671         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
2672         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
2673         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
2674         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
2675         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
2676         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
2677         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
2678         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
2679         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
2680
2681 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
2682
2683         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
2684         (check_cond_move_block): Likewise.
2685         (cond_move_process_if_block): Likewise.
2686         (noce_find_if_block): Improve formatting.
2687         (find_if_header): Pass 0 to memset and tweak conditions.
2688         (cond_exec_find_if_block): Fix long lines and tweak conditions.
2689
2690 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
2691
2692         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
2693         for -gdwarf-4.
2694
2695         PR middle-end/43337
2696         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
2697         with non-local decl doesn't need chain.
2698
2699 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
2700
2701         * ira-color.c (allocno_reload_assign): Avoid accumulating
2702         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
2703
2704 2010-04-19  Martin Jambor  <mjambor@suse.cz>
2705
2706         * gimple.h (create_tmp_reg): Declare.
2707         * gimplify.c (create_tmp_reg): New function.
2708         (gimplify_return_expr): Use create_tmp_reg.
2709         (gimplify_omp_atomic): Likewise.
2710         (gimple_regimplify_operands): Likewise.
2711         * tree-dfa.c (make_rename_temp): Likewise.
2712         * tree-predcom.c (predcom_tmp_var): Likewise.
2713         (reassociate_to_the_same_stmt): Likewise.
2714         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
2715         (get_replaced_param_substitute): Likewise.
2716         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
2717         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
2718         * tree-ssa-pre.c (get_representative_for): Likewise.
2719         (create_expression_by_pieces): Likewise.
2720         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
2721         (create_tailcall_accumulator): Likewise.
2722
2723 2010-04-19  Martin Jambor  <mjambor@suse.cz>
2724
2725         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
2726         new_stmt.
2727         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
2728
2729 2010-04-19  Richard Guenther  <rguenther@suse.de>
2730
2731         PR tree-optimization/43796
2732         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
2733         from SCEV in the lattice.
2734         (vrp_visit_phi_node): Dump change.
2735
2736 2010-04-19  Richard Guenther  <rguenther@suse.de>
2737
2738         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
2739         * configure: Re-generated.
2740
2741 2010-04-19  Richard Guenther  <rguenther@suse.de>
2742
2743         PR tree-optimization/43783
2744         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
2745         constant ARRAY_REF operands two and three if possible.
2746
2747 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
2748
2749         PR target/43766
2750         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
2751
2752 2010-04-19  Jie Zhang  <jie@codesourcery.com>
2753
2754         PR target/43662
2755         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
2756
2757 2010-04-19  Ira Rosen  <irar@il.ibm.com>
2758
2759         PR tree-optimization/37027
2760         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
2761         and macro to access it.
2762         (vectorizable_reduction): Add argument.
2763         (vect_get_slp_defs): Likewise.
2764         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
2765         statements for possible use in SLP.
2766         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
2767         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
2768         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
2769         add new argument.
2770         (vectorizable_reduction): Likewise.
2771         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
2772         vect_get_slp_defs.
2773         (vectorizable_type_demotion, vectorizable_type_promotion,
2774         vectorizable_store): Likewise.
2775         (vect_analyze_stmt): Update call to vectorizable_reduction.
2776         (vect_transform_stmt): Likewise.
2777         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
2778         (vect_build_slp_tree): Fix indentation. Check that there are no loads
2779         from different interleaving chains in same node.
2780         (vect_slp_rearrange_stmts): New function.
2781         (vect_supported_load_permutation_p): Allow load permutations for
2782         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
2783         inside SLP nodes if necessary.
2784         (vect_analyze_slp_instance): Handle reductions.
2785         (vect_analyze_slp): Try to build SLP instances originating from groups
2786         of reductions.
2787         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
2788         (vect_get_constant_vectors): Create initial vectors for reductions
2789         according to reduction code. Add new argument.
2790         (vect_get_slp_defs): Add new argument, pass it to
2791         vect_get_constant_vectors.
2792         (vect_schedule_slp_instance): Remove SLP tree root statements.
2793
2794 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
2795
2796         * tree.h (ENUM_IS_SCOPED): Define.
2797         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
2798         for ENUM_IS_SCOPED enums.
2799
2800 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
2801
2802         * fold-const.c (fold_comparison): Use ssizetype.
2803         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
2804         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
2805         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
2806         * tree-object-size.c (compute_object_sizes): Use size_type_node.
2807
2808         * tree.h (initialize_sizetypes): Remove parameter.
2809         (build_common_tree_nodes): Remove second parameter.
2810         * stor-layout.c (initialize_sizetypes): Remove parameter.
2811         Always create an unsigned type.
2812         (set_sizetype): Assert that the passed type is unsigned and simplify.
2813         * tree.c (build_common_tree_nodes): Remove second parameter.
2814         Adjust call to initialize_sizetypes.
2815         * c-decl.c (c_init_decl_processing): Remove second argument in call to
2816         build_common_tree_nodes.
2817
2818 2010-04-18  Matthias Klose  <doko@ubuntu.com>
2819
2820         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
2821
2822 2010-04-18  Ira Rosen  <irar@il.ibm.com>
2823
2824         PR tree-optimization/43771
2825         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
2826         load permutation doesn't have gaps.
2827
2828 2010-04-18  Jan Hubicka  <jh@suse.cz>
2829
2830         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
2831         (sse_prologue_save_insn expander): Use new pattern.
2832         (sse_prologue_save_insn1): New pattern and splitter.
2833         (sse_prologue_save_insn): Update to deal also with 64bit aligned
2834         blocks.
2835         * i386.c (setup_incoming_varargs_64): Do not compute jump
2836         destination here.
2837         (ix86_gimplify_va_arg): Update alignment needed.
2838         (ix86_local_alignment): Do not align all local arrays to 128bit.
2839
2840 2010-04-17  Jan Hubicka  <jh@suse.cz>
2841
2842         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
2843
2844 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
2845
2846         * arm.md (negdi2): Remove redundant code to force values into a
2847         register.
2848
2849 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
2850
2851         * arm/bpabi.S: Add EABI alignment attributes to objects.
2852         * arm/bpabi-v6m.S: Likewise.
2853         * arm/crti.asm: Likewise.
2854         * arm/crtn.asm: Likewise.
2855         * arm/lib1funcs.asm: Likewise.
2856         * arm/libunwind.S: Likewise.
2857
2858 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
2859
2860         * arm-protos.h (tune_params): New structure.
2861         * arm.c (current_tune): New variable.
2862         (arm_constant_limit): Delete.
2863         (struct processors): Add pointer to the tune parameters.
2864         (arm_slowmul_tune): New tuning option.
2865         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
2866         (all_cores): Adjust to pick up the tuning model.
2867         (arm_constant_limit): New function.
2868         (arm_override_options): Select the appropriate tuning model.  Delete
2869         initialization of arm_const_limit.
2870         (arm_split_constant): Use the new constant-limit model.
2871         (arm_rtx_costs): Pick up the current tuning model.
2872         * arm.md (is_strongarm, is_xscale): Delete.
2873         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
2874         for Xscale variant architectures.
2875         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
2876
2877 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2878
2879         * config/arm/arm.c (arm_gen_constant): Remove unused variable
2880         can_shift.
2881         (arm_rtx_costs_1): Remove unused variable extra_cost.
2882         (arm_unwind_emit_set): Use variable offset.
2883         (thumb1_output_casesi): Remove unused variable flags.
2884
2885 2010-04-16  Jeff Law  <law@redhat.com>
2886
2887         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
2888         needing assignment rather than doing a two-phase assignment.  Remove
2889         unused variable 'm'.
2890
2891 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
2892
2893         PR bootstrap/43767
2894         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
2895
2896 2010-04-16  Doug Kwan  <dougkwan@google.com>
2897
2898         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
2899         (next_operand_entry_id): New static variable.
2900         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
2901         (add_to_ops_vec): Assigned unique ID to operand entry.
2902         (struct oecount_s): New field ID.
2903         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
2904         (undistribute_ops_list): Assign unique IDs to oecounts.
2905         (init_reassoc): reset next_operand_entry_id.
2906
2907 2010-04-16  Doug Kwan  <dougkwan@google.com>
2908
2909         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
2910         missing left parenthesis.
2911
2912 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
2913
2914         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
2915         *btdi_rex64 using SWI48 mode iterator.
2916         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
2917         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
2918         *jcc_btdi_mask_rex64.
2919
2920 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
2921
2922         * double-int.h (tree_to_double_int): Convert to macro.
2923         * double-int.c (tree_to_double_int): Remove.
2924
2925 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
2926
2927         PR debug/43762
2928         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
2929         with want_address 2 and in case a single element list might be
2930         possible, call it again with want_address 0.
2931
2932 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
2933
2934         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
2935         case 'W' print operands for HI mode.
2936         * config/h8300/h8300.h (Y0, Y2) : New constraints.
2937         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
2938         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
2939         * config/h8300/predicate.md (bit_register_indirect_operand): New.
2940
2941         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
2942
2943         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
2944         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
2945         #xx:3 and #xx:4 mode.
2946
2947         * config/h8300/h8300.md (inverted load with HImode dest): Add
2948         support for H8300SX.
2949
2950         * config/h8300/predicate.md (bit_operand): Allow immediate values that
2951         satisfy 'U' constraint.
2952
2953 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2954
2955         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
2956         * configure: Regenerate.
2957         * config.in: Regenerate.
2958         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
2959         works.
2960
2961 2010-04-16  Richard Guenther  <rguenther@suse.de>
2962
2963         * tree.h (struct tree_decl_minimal): Move pt_uid ...
2964         (struct tree_decl_common): ... here.
2965         (DECL_PT_UID): Adjust.
2966         (SET_DECL_PT_UID): Likewise.
2967         (DECL_PT_UID_SET_P): Likewise.
2968
2969 2010-04-16  Richard Guenther  <rguenther@suse.de>
2970
2971         PR tree-optimization/43572
2972         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
2973         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
2974         * tree-flow.h (is_call_clobbered): Remove.
2975         * tree-flow-inline.h (is_call_clobbered): Likewise.
2976         * tree-dfa.c (dump_variable): Do not dump call clobber state.
2977         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
2978         (execute_return_slot_opt): Adjust.
2979         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
2980         check for call clobbered vars here.
2981         (find_tail_calls): Move tailcall verification to the
2982         proper place.
2983
2984 2010-04-16  Diego Novillo  <dnovillo@google.com>
2985
2986         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
2987
2988 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
2989
2990         PR target/40603
2991         * config/arm/arm.md (cbranchqi4): New pattern.
2992         * config/arm/predicates.md (const0_operand,
2993         cbranchqi4_comparison_operator): New predicates.
2994
2995 2010-04-16  Richard Guenther  <rguenther@suse.de>
2996
2997         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
2998         (dump_gimple_stmt): Likewise.
2999
3000 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
3001
3002         * recog.h (struct recog_data): New field is_operator.
3003         (struct insn_operand_data): New field is_operator.
3004         * recog.c (extract_insn): Set recog_data.is_operator.
3005         * genoutput.c (output_operand_data): Emit code to set the
3006         is_operator field.
3007         * reload.c (find_reloads): Use it rather than testing for an
3008         empty constraint string.
3009
3010         PR target/41514
3011         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
3012         If the previous insn is a cbranchsi4_insn with the same arguments,
3013         omit the compare instruction.
3014
3015         * config/arm/arm.md (addsi3_cbranch): If destination is a high
3016         register, inputs must be low registers and we need a low register
3017         scratch.  Handle alternative 2 like alternative 3.
3018
3019 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
3020
3021         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
3022         don't call get_addr on both.  If one expression is a VALUE and
3023         the other a REG, check VALUE's locs if the REG isn't among them.
3024
3025 2010-04-16  Christian Bruel  <christian.bruel@st.com>
3026
3027         * config/sh/sh.h (sh_frame_pointer_required): New function.
3028         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
3029         (flag_omit_frame_pointer) Set.
3030         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
3031         (rounded_frame_size): Adjust size with outgoing_args_size.
3032         (sh_set_return_address): Must return from stack pointer.
3033         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
3034         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
3035         (ACCUMULATE_OUTGOING_ARGS): Define.
3036         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
3037         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
3038
3039 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
3040
3041         PR target/43471
3042         * config/sh/sh.c (sh_legitimize_reload_address): Use
3043         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
3044         Remove a unneeded check for offset_base.
3045
3046 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
3047
3048         * configure: Regenerated.
3049
3050 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3051
3052         * config/s390/s390.c (s390_call_save_register_used): Switch back
3053         to HARD_REGNO_NREGS.
3054
3055 2010-04-15  Richard Guenther  <rguenther@suse.de>
3056
3057         * alias.c (alias_set_subset_of): Handle alias-set zero
3058         child properly.
3059
3060 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
3061             Julian Brown  <julian@codesourcery.com>
3062
3063         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
3064         alternatives according to use of high and low regs.
3065         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
3066         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
3067         optimizing for size on Thumb-2.
3068
3069 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
3070
3071         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
3072
3073 2010-04-15  Richard Guenther  <rguenther@suse.de>
3074
3075         * tree-ssa-structalias.c (struct variable_info): Add
3076         is_fn_info flag.
3077         (new_var_info): Initialize it.
3078         (dump_constraints): Support printing last added constraints.
3079         (debug_constraints): Adjust.
3080         (dump_constraint_graph): Likewise.
3081         (make_heapvar_for): Check for NULL cfun.
3082         (get_function_part_constraint): New function.
3083         (get_fi_for_callee): Likewise.
3084         (find_func_aliases): Properly implement IPA PTA constraints.
3085         (process_ipa_clobber): New function.
3086         (find_func_clobbers): Likewise.
3087         (insert_into_field_list_sorted): Remove.
3088         (create_function_info_for): Properly allocate vars for IPA mode.
3089         Do not use insert_into_field_list_sorted.
3090         (create_variable_info_for): Properly generate constraints for
3091         global vars in IPA mode.
3092         (dump_solution_for_var): Always dump the solution.
3093         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
3094         (find_what_var_points_to): Adjust.
3095         (pt_solution_set): Change.
3096         (pt_solution_ior_into): New function.
3097         (pt_solution_empty_p): Export.
3098         (pt_solution_includes_global): Adjust.
3099         (pt_solution_includes_1): Likewise.
3100         (pt_solutions_intersect_1): Likewise.
3101         (dump_sa_points_to_info): Check some invariants.
3102         (solve_constraints): Move constraint dumping ...
3103         (compute_points_to_sets): ... here.
3104         (ipa_pta_execute): ... and here.
3105         (compute_may_aliases): Do not re-compute points-to info
3106         locally if IPA info is available.
3107         (ipa_escaped_pt): New global var.
3108         (ipa_pta_execute): Properly implement IPA PTA.
3109         * tree-into-ssa.c (dump_decl_set): Support dumping
3110         decls not in referenced-vars.
3111         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
3112         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
3113         (dump_points_to_solution): Likewise.
3114         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
3115         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
3116         (remap_gimple_stmt): Reset call clobber/use information if necessary.
3117         (copy_decl_to_var): Copy DECL_PT_UID.
3118         (copy_result_decl_to_var): Likewise.
3119         * tree.c (make_node_stat): Initialize DECL_PT_UID.
3120         (copy_node_stat): Copy it.
3121         * tree.h (DECL_PT_UID): New macro.
3122         (SET_DECL_PT_UID): Likewise.
3123         (DECL_PT_UID_SET_P): Likewise.
3124         (struct tree_decl_minimal): Add pt_uid member.
3125         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
3126         (pt_solution_empty_p): Declare.
3127         (pt_solution_set): Adjust.
3128         (ipa_escaped_pt): Declare.
3129         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
3130         * gimple-pretty-print.c (pp_points_to_solution): New function.
3131         (dump_gimple_call): Dump call clobber/use information.
3132         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
3133         * tree-pass.h (TDF_ALIAS): New dump option.
3134         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
3135         * doc/invoke.texi (-fipa-pta): Update documentation.
3136
3137 2010-04-15  Richard Guenther  <rguenther@suse.de>
3138
3139         * Makefile.in (OBJS-common): Add gimple-fold.o.
3140         (gimple-fold.o): New rule.
3141         * tree.h (maybe_fold_offset_to_reference,
3142         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
3143         prototypes ...
3144         * gimple.h: ... here.
3145         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
3146         may_propagate_address_into_dereference): Move prototypes ...
3147         * gimple.h: ... here.
3148         * tree-ssa-ccp.c (get_symbol_constant_value,
3149         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
3150         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
3151         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
3152         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
3153         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
3154         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
3155         gimplify_and_update_call_from_tree): Move ...
3156         * gimple-fold.c: ... here.  New file.
3157         (ccp_fold_builtin): Rename to ...
3158         (gimple_fold_builtin): ... this.
3159         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
3160
3161 2010-04-15  Richard Guenther  <rguenther@suse.de>
3162
3163         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
3164         fit_double_type, force_fit_type_double, add_double_with_sign,
3165         neg_double, mul_double_with_sign, lshift_double, rshift_double,
3166         lrotate_double, rrotate_double, div_and_round_double): Move ...
3167         * double-int.c: ... here.
3168         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
3169         add_double, neg_double, mul_double_with_sign, mul_double,
3170         lshift_double, rshift_double, lrotate_double, rrotate_double,
3171         div_and_round_double): Move prototypes ...
3172         * double-int.h: ... here.
3173
3174 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
3175
3176         PR target/43742
3177         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
3178         matching constraints to ensure inputs match the output.
3179
3180 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
3181
3182         PR target/43742
3183         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
3184         in an input-only operand.
3185
3186 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
3187
3188         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
3189         (double_int_not, double_int_lshift, double_int_rshift): Declare.
3190         (double_int_negative_p): Convert to static inline function.
3191         * double-int.c (double_int_lshift, double_int_lshift): New functions.
3192         (double_int_negative_p): Remove.
3193         * tree.h (lshift_double, rshift_double):
3194         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
3195         * fold-const.c (fold_convert_const_int_from_real,
3196         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
3197         (lshift_double): Change type of arith argument to bool.
3198         (rshift_double): Change type of arith argument to bool. Correct
3199         comment.
3200         * expmed.c (mask_rtx, lshift_value): (Ditto.).
3201
3202 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
3203
3204         PR target/21803
3205         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
3206         at the start and end of the then/else blocks, and omit them from the
3207         conversion.
3208         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
3209         argument; all callers changed.  Pass zero to old_insns_match_p instead.
3210         (flow_find_head_matching_sequence): New function.
3211         (old_insns_match_p): Check REG_EH_REGION notes for calls.
3212         * basic-block.h (flow_find_cross_jump,
3213         flow_find_head_matching_sequence): Declare functions.
3214
3215 2010-04-14  Jason Merrill  <jason@redhat.com>
3216
3217         PR c++/36625
3218         * c-common.c (attribute_takes_identifier_p): New fn.
3219         * c-common.h: Declare it.
3220
3221 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3222
3223         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
3224         splitter condition.
3225         (*udivmod<mode>4): Ditto.
3226
3227 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3228
3229         * config/i386/i386.md (maxmin_int): Rename code attribute from
3230         maxminiprefix and update all users.
3231         (maxmin_float): Ditto from maxminfprefix.
3232         (logic): Ditto from logicprefix.
3233         (absneg_mnemonic): Ditto from absnegprefix.
3234         * config/i386/mmx.md: Update all users of maxminiprefix,
3235         maxminfprefix and logicprefix for rename.
3236         * config/i386/sse.md: Ditto.
3237         * config/i386/sync.md (sync_<code><mode>): Update for
3238         logicprefix rename.
3239
3240 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3241
3242         PR 42966
3243         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
3244         warnings converted to errors.
3245
3246 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3247
3248         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
3249         used insn_type variable.
3250         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
3251         to avoid set-but-not-used warning.
3252
3253 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3254
3255         * df-core.c (df_ref_debug): Change format string placeholder
3256         from 0x%x to %#x.
3257         * dwarf2asm.c (dw2_asm_output_data_raw,
3258         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
3259         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
3260         * dwarf2out.c (output_cfi, output_cfi_directive,
3261         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
3262         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
3263         Ditto.
3264         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
3265         * print-rtl.c (print_rtx): Ditto.
3266
3267 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
3268
3269         PR middle-end/42694
3270         * builtins.c (expand_builtin_pow_root): New function to expand pow
3271         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
3272         series of sqrt and cbrt calls under -ffast-math.
3273         (expand_builtin_pow): Call it.
3274
3275 2010-04-14  Michael Matz  <matz@suse.de>
3276
3277         PR tree-optimization/42963
3278         * tree-cfg.c (touched_switch_bbs): New static variable.
3279         (group_case_labels_stmt): New function broken out from ...
3280         (group_case_labels): ... here, use the above.
3281         (start_recording_case_labels): Allocate touched_switch_bbs.
3282         (end_recording_case_labels): Deallocate it, call
3283         group_case_labels_stmt.
3284         (gimple_redirect_edge_and_branch): Remember index of affected BB.
3285
3286 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3287
3288         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
3289         from insn template.
3290
3291 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3292
3293         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
3294
3295 2010-04-13  Jan Hubicka  <jh@suse.cz>
3296
3297         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
3298         of optimized out static functions.
3299         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
3300         cost computation.  Also sanity check for overflows.
3301         (update_caller_keys): Update cgraph_edge_badness call; properly
3302         update fibheap and sanity check that it is up to date.
3303         (add_new_edges_to_heap): Update cgraph_edge_badness.
3304         (cgraph_decide_inlining_of_small_function): Likewise;
3305         add sanity checking that badness in heap is up to date;
3306         improve dumping of reason; Update badness of calls to the
3307         offline copy of function currently inlined; dump badness
3308         of functions not inlined because of unit growth limits.
3309
3310 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
3311
3312         PR middle-end/32628
3313         * c-common.c (pointer_int_sum): Disregard overflow that occured only
3314         because of sign-extension change when converting to sizetype here...
3315         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
3316
3317         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
3318         the folding to constants.  Remove redundant final conversion.
3319         (fold_binary) <associate>: Do not associate if the re-association of
3320         constants alone overflows.
3321         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
3322         to the end of the list.
3323         (multiple_of_p) <COND_EXPR>: New case.
3324
3325 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3326
3327         * opt-functions.awk (opt_sanitized_name): New.
3328         (opt_enum): New.
3329         * optc-gen.awk: Use it
3330         * opth-gen.awk: Use it.
3331
3332 2010-04-13  Martin Jambor  <mjambor@suse.cz>
3333
3334         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
3335         (sra_modify_assign): Delete stmts loading dead data even if racc has no
3336         children.  Call replace_uses_with_default_def_ssa_name to handle
3337         SSA_NAES on lhs.
3338
3339 2010-04-13  Michael Matz  <matz@suse.de>
3340
3341         PR middle-end/43730
3342         * builtins.c (expand_builtin_interclass_mathfn): Also create
3343         a register if the predicate doesn't match.
3344
3345 2010-04-13  Diego Novillo  <dnovillo@google.com>
3346
3347         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
3348         * c-pch.c: Include timevar.h.
3349         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
3350         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
3351         * ggc-common.c: Include timevar.h.
3352         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
3353         * timevar.def (TV_PCH_SAVE): Define.
3354         (TV_PCH_CPP_SAVE): Define.
3355         (TV_PCH_PTR_REALLOC): Define.
3356         (TV_PCH_PTR_SORT): Define.
3357         (TV_PCH_RESTORE): Define.
3358         (TV_PCH_CPP_RESTORE): Define.
3359
3360 2010-04-13  Michael Matz  <matz@suse.de>
3361
3362         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
3363         into MINUS_EXPRs.
3364         (can_reassociate_p): New function.
3365         (break_up_subtract_bb, reassociate_bb): Use it.
3366
3367 2010-04-13  Richard Guenther  <rguenther@suse.de>
3368
3369         PR bootstrap/43737
3370         * builtins.c (c_readstr): Fix assert.
3371
3372 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
3373
3374         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
3375         when generating cltd insn.
3376
3377         (*ashl<mode>3_1): Remove special handling for register operand 2.
3378         (*ashlsi3_1_zext): Ditto.
3379         (*ashlhi3_1): Ditto.
3380         (*ashlhi3_1_lea): Ditto.
3381         (*ashlqi3_1): Ditto.
3382         (*ashlqi3_1_lea): Ditto.
3383         (*<shiftrt_insn><mode>3_1): Ditto.
3384         (*<shiftrt_insn>si3_1_zext): Ditto.
3385         (*<shiftrt_insn>qi3_1_slp): Ditto.
3386         (*<rotate_insn><mode>3_1): Ditto.
3387         (*<rotate_insn>si3_1_zext): Ditto.
3388         (*<rotate_insn>qi3_1_slp): Ditto.
3389
3390 2010-04-13  Richard Guenther  <rguenther@suse.de>
3391
3392         * tree-ssa-structalias.c (callused_id): Remove.
3393         (call_stmt_vars): New.
3394         (get_call_vi): Likewise.
3395         (lookup_call_use_vi): Likewise.
3396         (lookup_call_clobber_vi): Likewise.
3397         (get_call_use_vi): Likewise.
3398         (get_call_clobber_vi): Likewise.
3399         (make_transitive_closure_constraints): Likewise.
3400         (handle_const_call): Adjust to do per-call call-used handling.
3401         (handle_pure_call): Likewise.
3402         (find_what_var_points_to): Remove general callused handling.
3403         (init_base_vars): Likewise.
3404         (init_alias_vars): Initialize call_stmt_vars.
3405         (compute_points_to_sets): Process call-used and call-clobbered
3406         vars for call statements.
3407         (delete_points_to_sets): Free call_stmt_vars.
3408
3409 2010-04-13  Richard Guenther  <rguenther@suse.de>
3410
3411         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
3412         Only add RW dependence for dependence distance zero.
3413         Adjust maximal vectorization factor according to dependences.
3414         Move alignment handling ...
3415         (vect_find_same_alignment_drs): ... here.  New function.
3416         (vect_analyze_data_ref_dependences): Adjust.
3417         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
3418         (vect_analyze_data_refs): Adjust minimal vectorization factor
3419         according to data references.
3420         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
3421         dependences before determining the vectorization factor.
3422         Analyze alignment after determining the vectorization factor.
3423         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
3424         dependences before alignment.
3425         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
3426         Adjust prototype.
3427         (vect_analyze_data_refs): Likewise.
3428         (MAX_VECTORIZATION_FACTOR): New define.
3429
3430 2010-04-13  Duncan Sands  <baldrick@free.fr>
3431
3432         * except.h (lang_eh_type_covers): Remove.
3433         * except.c (lang_eh_type_covers): Likewise.
3434
3435 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3436             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3437
3438         * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
3439         * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
3440         UNITS_PER_LONG where it is ABI relevant.
3441         (s390_return_addr_rtx): Likewise.
3442         (s390_back_chain_rtx): Likewise.
3443         (s390_frame_area): Likewise.
3444         (s390_frame_info): Likewise.
3445         (s390_initial_elimination_offset): Likewise.
3446         (save_gprs): Likewise.
3447         (s390_emit_prologue): Likewise.
3448         (s390_emit_epilogue): Likewise.
3449         (s390_function_arg_advance): Likewise.
3450         (s390_function_arg): Likewise.
3451         (s390_va_start): Likewise.
3452         (s390_gimplify_va_arg): Likewise.
3453         (s390_function_profiler): Likewise.
3454         (s390_optimize_prologue): Likewise.
3455         (s390_rtx_costs): Likewise.
3456         (s390_secondary_reload): Likewise.
3457         (s390_promote_function_mode): Likewise.
3458         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
3459         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
3460         registers available.
3461         (s390_unwind_word_mode): New function.
3462         (s390_function_value): Split 64 bit values into register pair if
3463         used as return value.
3464         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
3465         function call parameters.  Handle parallels.
3466         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
3467         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
3468         (DWARF_CIE_DATA_ALIGNMENT): New macro.
3469         (s390_expand_setmem): Remove unused variable src_addr.
3470         * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
3471         deal with 64 bit registers.
3472         * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
3473         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
3474         (UNITS_PER_LONG): New macro.
3475         * libjava/include/s390-signal.h: Define extended ucontext
3476         structure containing the upper halfs of the 64 bit registers.
3477
3478 2010-04-13  Simon Baldwin  <simonb@google.com>
3479
3480         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
3481
3482 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
3483
3484         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
3485         rvalue on the RHS if the LHS is of a non-renamable type.
3486         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
3487
3488 2010-04-13  Matthias Klose  <doko@ubuntu.com>
3489
3490         * gcc.c (cc1_options): Handle -iplugindir before processing
3491         the cc1 spec. Only add -iplugindir once.
3492         (cpp_unique_options): Add -iplugindir option if -fplugin* options
3493         found.
3494         * common.opt (iplugindir): Remove `Separate' property, initialize.
3495         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
3496         option.
3497         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
3498         (distclean): Remove plugin dir.
3499         * doc/invoke.texi: Document -iplugindir.
3500
3501 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
3502
3503         * doc/plugins.texi (Loading Plugins): Document short
3504         -fplugin=foo option.
3505         (Plugin API): Mention default_plugin_dir_name function.
3506
3507         * gcc.c (find_file_spec_function): Add new declaration.
3508         (static_spec_func): Use it for "find-file".
3509         (find_file_spec_function): Add new function.
3510         (cc1_options): Add -iplugindir option if -fplugin* options found.
3511
3512         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
3513
3514         * plugin.c (add_new_plugin): Updated comment, and handle short
3515         plugin name.
3516         (default_plugin_dir_name): Added new function.
3517
3518         * common.opt (iplugindir): New option to set the plugin directory.
3519
3520 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
3521
3522         * config/i386/i386.md (any_rotate): New code iterator.
3523         (rotate_insn): New code attribute.
3524         (rotate): Ditto.
3525         (SWIM124): New mode iterator.
3526         (<rotate_insn>ti3): New expander.
3527         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
3528         any_rotate code iterator.
3529         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
3530         using any_rotate code iterator and SWIM124 mode iterator.
3531         (ix86_rotlti3): New insn_and_split pattern.
3532         (ix86_rotrti3): Ditto.
3533         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
3534         ix86_rotl{di,ti}3 patterns.
3535         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
3536         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
3537         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
3538         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
3539         code iterator and SWI mode iterator.
3540         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
3541         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
3542         code iterator.
3543         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
3544         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
3545         (bswap rotatert splitter): Add splitter.
3546         (bswap splitter): Macroize splitter using any_rotate code iterator.
3547         Add insn predicate to split only for TARGET_USE_XCHGB or when
3548         optimizing function for size.
3549
3550 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
3551
3552         * config/pa/pa.c (emit_move_sequence): Remove use of
3553         deleted variable flag_argument_noalias.
3554
3555 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3556
3557         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
3558         configurations.
3559         Add to unsupported targets list.
3560         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
3561         sparc*-sun-solaris2.[567]* from target lists.
3562         * configure: Regenerate.
3563         * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
3564         removal.
3565         Remove Solaris 7 patch references.
3566         (Specific, sparc-sun-solaris2.7): Removed.
3567         (sparc-sun-solaris2*): Update Solaris 7 example.
3568         (sparc64-*-solaris2*): Likewise.
3569
3570 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3571
3572         * config.build (alpha*-dec-osf4*): Remove.
3573         * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
3574         of obsolete configurations.
3575         (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
3576         support.
3577         * config/alpha/t-osf4: Renamed to ...
3578         * config/alpha/t-osf5: ... this.
3579         * config/alpha/osf.h: Renamed to ...
3580         * config/alpha/osf5.h: ... this.
3581         Merged old osf5.h contents.
3582         Update comments.
3583         (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
3584         (EXTRA_SPECS): Removed.
3585         * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
3586         reflect removal of Tru64 UNIX V4.0/V5.0 support.
3587         Document that.
3588
3589 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3590
3591         * doc/contrib.texi (Contributors, Rainer Orth): Update.
3592
3593 2010-04-12  Kai Tietz  <kai.tietz@onevision.com>
3594
3595         PR/43702
3596         * config/i386/i386.c (x86_this_parameter): Handle aggregate for
3597         __thiscall convention.
3598
3599 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
3600
3601         * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
3602         orig_base.
3603         * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
3604
3605 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
3606
3607         * function.c (assign_parms_initialize_all): Add unused attribute
3608         to fntype.
3609
3610 2010-04-12  Richard Guenther  <rguenther@suse.de>
3611
3612         * gsstruct.def (GSS_CALL): New.
3613         * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
3614         * gimple.h: Include tree-ssa-alias.h.
3615         (struct gimple_statement_call): New.
3616         (union gimple_statement_struct_d): Add gimple_call member.
3617         (gimple_call_reset_alias_info): Declare.
3618         (gimple_call_use_set): New function.
3619         (gimple_call_clobber_set): Likewise.
3620         * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
3621         * gimple.c (gimple_call_reset_alias_info): New function.
3622         (gimple_build_call_1): Call it.
3623         * lto-streamer-in.c (input_gimple_stmt): Likewise.
3624         * tree-inline.c (remap_gimple_stmt): Likewise.
3625         (expand_call_inline): Remove callused handling.
3626         * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
3627         * tree-dfa.c (dump_variable): Likewise.
3628         * tree-parloops.c (parallelize_loops): Likewise.
3629         * tree-ssa.c (init_tree_ssa): Likewise.
3630         (delete_tree_ssa): Likewise.
3631         * tree-flow-inline.h (is_call_used): Remove.
3632         * tree-flow.h (struct gimple_df): Remove callused member.
3633         * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
3634         * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
3635         (ref_maybe_used_by_call_p_1): Simplify.
3636         (call_may_clobber_ref_p_1): Likewise.
3637         * tree-ssa-structalias.c (compute_points_to_sets): Set
3638         the call stmt used and clobbered sets.
3639         * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
3640         (find_tail_calls): Verify the tail call.
3641
3642 2010-04-12  Richard Guenther  <rguenther@suse.de>
3643
3644         * ipa.c (cgraph_postorder): Adjust postorder to guarantee
3645         single-iteration always-inline inlining.
3646         * ipa-inline.c (cgraph_mark_inline): Do not return anything.
3647         (cgraph_decide_inlining): Do not handle always-inline specially.
3648         (try_inline): Remove always-inline cycle detection special case.
3649         Do not recurse on always-inlines.
3650         (cgraph_early_inlining): Do not iterate if not optimizing.
3651         (cgraph_gate_early_inlining): remove.
3652         (pass_early_inline): Run unconditionally.
3653         (gate_cgraph_decide_inlining): New function.
3654         (pass_ipa_inline): Use it.  Do not run the IPA inliner if
3655         not inlining or optimizing.
3656         (cgraph_decide_inlining_of_small_functions): Also consider
3657         always-inline functions.
3658         (cgraph_default_inline_p): Return true for nodes which should
3659         disregard inline limits.
3660         (estimate_function_body_sizes): Assume zero size and time for
3661         nodes which are marked as disregarding inline limits.
3662         (cgraph_decide_recursive_inlining): Do not perform recursive
3663         inlining on always-inline nodes.
3664
3665 2010-04-12  Jakub Jelinek  <jakub@redhat.com>
3666
3667         PR bootstrap/43699
3668         * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
3669         for exprs satisfying handled_component_p.
3670
3671 2010-04-12  Eric Botcazou  <ebotcazou@adacore.com>
3672
3673         * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
3674         non-constant aggregate elements.
3675
3676         * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
3677         is a real initialization.
3678
3679 2010-04-12  Shujing Zhao  <pearly.zhao@oracle.com>
3680
3681         PR c/36774
3682         * c-decl.c (start_function): Move forward check for nested function.
3683
3684 2010-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
3685
3686         * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
3687         * config/sh/sh.c: Include reload.h.
3688         (sh_legitimize_reload_address): New.
3689         * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
3690         sh_legitimize_reload_address.
3691
3692 2010-04-11  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
3693
3694         * config/sh/sh.md (*movqi_pop): New insn pattern.
3695         * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
3696
3697 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
3698
3699         * config/i386/i386.md (any_shiftrt): New code iterator.
3700         (shiftrt_insn): New code attribute.
3701         (shiftrt): Ditto.
3702         (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
3703         using any_shiftrt code iterator.
3704         (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
3705         *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
3706         (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
3707         pattern from corresponding peephole2 patterns.
3708         (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
3709         using any_shiftrt code iterator.
3710         (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
3711         (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
3712         (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
3713         (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
3714         *{ashr,lshr}<mode>3_cmp_zext.
3715         (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
3716
3717 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
3718
3719         * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
3720         scratch register.
3721         (*lshr<mode>3_cconly): Ditto.
3722
3723 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
3724
3725         * config/i386/i386.md (lshr<mode>3): Macroize expander from
3726         lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
3727         (*lshr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
3728         pattern from *lshr{di,ti}3_1 and corresponding splitters using
3729         DWI mode iterator.
3730         (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
3731         from corresponding peephole2 patterns.
3732         (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
3733         *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
3734         and *lshrdi3_1_rex64 using SWI mode iterator.
3735         (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
3736         (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
3737         (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
3738         *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
3739         and *lshrdi3_cmp_rex64 using SWI mode iterator.
3740         (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
3741         (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
3742         *lshrdi3_one_bit_cconly_rex64. Macroize insn from
3743         *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
3744         SWI mode iterator.
3745
3746 2010-04-10  Uros Bizjak  <ubizjak@gmail.com>
3747
3748         * config/i386/i386.md (ashr<mode>3): Macroize expander from
3749         ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
3750         (*ashr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
3751         pattern from *ashr{di,ti}3_1 and corresponding splitters using
3752         DWI mode iterator.
3753         (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
3754         from corresponding peephole2 patterns.
3755         (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
3756         (ashrsi3_cvt): Rename from ashrsi3_31.
3757         (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
3758         (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
3759         and x86_64_shift_adj_3 using SWI48 mode iterator.
3760         (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
3761         *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
3762         and *ashrdi3_1_rex64 using SWI mode iterator.
3763         (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
3764         (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
3765         (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
3766         *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
3767         and *ashrdi3_cmp_rex64 using SWI mode iterator.
3768         (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
3769         (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
3770         *ashrdi3_one_bit_cconly_rex64. Macroize insn from
3771         *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
3772         SWI mode iterator.
3773         (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
3774         * config/i386/i386.c (ix86_split_ashr): Update for renamed
3775         x86_shift<mode>_adj_3 expanders.
3776
3777 2010-04-10  Wei Guozhi  <carrot@google.com>
3778
3779         PR target/42601
3780         * config/arm/arm.c (arm_pic_static_addr): New function.
3781         (legitimize_pic_address): Call arm_pic_static_addr when it detects
3782         a static symbol.
3783         (arm_output_addr_const_extra): Output expression for new pattern.
3784         * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
3785
3786 2010-04-10  Bernd Schmidt  <bernds@codesourcery.com>
3787
3788         * ira-costs.c (record_reg_classes): Ignore alternatives that are
3789         not enabled.
3790
3791         * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
3792         * web.c: Include "insn-config.h" and "recog.h".
3793         (union_match_dups): New function.
3794         (web_main): Call it.
3795         (union_defs): Don't try to recognize match_dups.
3796
3797         * reload1.c (eliminate_regs_in_insn): Don't restore an operand
3798         if doing so would replace the entire pattern.
3799
3800 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
3801
3802         PR target/43707
3803         PR target/43709
3804         * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
3805         and splitter pattern.  Change splitter operand 1 predicate to
3806         nonmemory_operand.
3807
3808 2010-04-09  Martin Jambor  <mjambor@suse.cz>
3809
3810         * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
3811         lattices are addresses of CONST_DECLs with the same initial value.
3812         (ipcp_print_all_lattices): Print values of CONST_DECLs.
3813         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
3814
3815 2010-04-09  Eric Botcazou  <ebotcazou@adacore.com>
3816             Bernd Schmidt  <bernds@codesourcery.com>
3817
3818         * loop-invariant.c (replace_uses): New static function.
3819         (move_invariant_reg): Use it to ensure we can replace the uses.
3820
3821 2010-04-09  Hariharan Sandanagobalane  <hariharan@picochip.com>
3822
3823         * config/picochip/picochip.c (picochip_rtx_costs): Use correct
3824         function template.
3825         (picochip_override_options): Enable section anchors only above -O1.
3826         (picochip_reorg): Fixed a couple of build warnings.
3827
3828 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3829
3830         * configure.ac (plugin -rdynamic test): Log result.
3831         * configure: Regenerate.
3832         * config/sol2.h (LINK_SPEC): Handle -rdynamic.
3833         (RDYNAMIC_SPEC): Define.
3834         * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
3835
3836 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3837
3838         * configure.ac: Determine Sun ld version numbers.
3839         (comdat_group): Restrict GNU ld version checks to gld.
3840         (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
3841         (enable_comdat): Support --enable-comdat.
3842         * configure: Regenerate.
3843         * doc/install.texi (Configuration): Document --enable-comdat.
3844
3845 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3846
3847         * config/sparc/sol2-gld.h: Remove SPARC reference.  Rename ...
3848         * config/sol2-gld.h: ... here.
3849         * config.gcc (sparc*-*-solaris2*): Reflect this.
3850         (i[34567]86-*-solaris2*): Use it.
3851
3852 2010-04-09  Steve Ellcey  <sje@cup.hp.com>
3853
3854         * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
3855         setup_clocks_p.
3856         (final_emit_insn_group_barriers): Remove unused variable prev_insn.
3857
3858 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3859
3860         PR 42965
3861         * diagnostic.c (diagnostic_initialize): Initialize
3862         some_warnings_are_errors.
3863         (diagnostic_finish): New.
3864         (diagnostic_action_after_output): Call it before exiting.
3865         (diagnostic_report_diagnostic): Do not print message here. Set
3866         some_warnings_are_errors.
3867         * diagnostic.h (diagnostic_context): Delete
3868         issue_warnings_are_errors_message. Add some_warnings_are_errors.
3869         (diagnostic_finish): Declare.
3870         * toplev.c (toplev_main): Call it before exit.
3871
3872 2010-04-09  Jason Merrill  <jason@redhat.com>
3873
3874         PR c++/42623
3875         * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
3876         for incomplete type.
3877
3878         PR c++/41788
3879         * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
3880         based on a warning flag.
3881
3882 2010-04-09  Richard Guenther  <rguenther@suse.de>
3883
3884         * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
3885
3886 2010-04-09  Iain Sandoe  <iains@gcc.gnu.org>
3887
3888         PR bootstrap/43684
3889         * varasm.c (default_assemble_visibility): Wrap vars that are
3890         set, but unused, by targets without GAS.
3891         * config/rs6000/rs6000.c: (paired_emit_vector_compare):
3892         Remove set, but unused, vars.
3893         (rs6000_legitimize_tls_address): Likewise.
3894         (altivec_expand_dst_builtin): Likewise.
3895         * config/darwin.c (machopic_classify_symbol): Likewise.
3896         (machopic_indirection_name): Likewise.
3897
3898 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
3899
3900         * config/i386/i386.md (DWI): New mode iterator.
3901         (S): New mode attribute.
3902         (shift_operand): Ditto.
3903         (shift_immediate_operand): Ditto.
3904         (ashl_input_operand): Ditto.
3905         (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
3906         using SDWIM mode iterator.
3907         (*ashl<mode>3_doubleword): New insn_and_split_pattern.  Macroize
3908         pattern from *ashl{di,ti}3_1 and corresponding splitters using
3909         DWI mode iterator.
3910         (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
3911         from corresponding peephole2 patterns.
3912         (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
3913         and x86_64_shift_adj_1 using SWI48 mode iterator.
3914         (x86_shift<mode>_adj_2): Ditto.
3915         (*ashldi3_1_rex64): Split TYPE_LEA pattern.
3916         (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
3917         using SWI48 mode iterator.
3918         (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
3919         *ashldi3_cmp_rex64 using SWI mode iterator.
3920         (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
3921         *ashldi3_cconly_rex64 using SWI mode iterator.
3922         * config/i386/i386.c (ix86_split_ashl): Update for renamed
3923         x86_shift<mode>_adj_{1,2}.
3924         (ix86_split_ashr): Ditto.
3925         (ix86_split_lshr): Ditto.
3926
3927 2010-04-09  Richard Guenther  <rguenther@suse.de>
3928
3929         * target.h (builtin_conversion): Pass in input and output types.
3930         * targhooks.c (default_builtin_vectorized_conversion): Adjust.
3931         * targhooks.h (default_builtin_vectorized_conversion): Likewise.
3932         * tree-vect-stmts.c (vectorizable_conversion): Adjust.
3933         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
3934
3935         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
3936         Handle AVX modes.
3937         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
3938
3939 2010-04-09  Richard Guenther  <rguenther@suse.de>
3940
3941         PR target/43152
3942         * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
3943
3944 2010-04-09  Richard Guenther  <rguenther@suse.de>
3945
3946         * tree-vectorizer.h (struct _stmt_vec_info): Document
3947         that vectype is the type of the LHS.
3948         (supportable_widening_operation, supportable_narrowing_operation):
3949         Get both input and output vector types as arguments.
3950         (vect_is_simple_use_1): Declare.
3951         (get_same_sized_vectype): Likewise.
3952         * tree-vect-loop.c (vect_determine_vectorization_factor):
3953         Set STMT_VINFO_VECTYPE to the vector type of the def.
3954         (vectorizable_reduction): Adjust.
3955         * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
3956         Adjust.  Specify the output vector type.
3957         (vect_pattern_recog_1): Adjust.
3958         * tree-vect-stmts.c (get_same_sized_vectype): New function.
3959         (vectorizable_call): Adjust.
3960         (vectorizable_conversion): Likewise.
3961         (vectorizable_operation): Likewise.
3962         (vectorizable_type_demotion): Likewise.
3963         (vectorizable_type_promotion): Likewise.
3964         (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
3965         the def.
3966         (vect_is_simple_use_1): New function.
3967         (supportable_widening_operation): Get both input and output
3968         vector types.
3969         (supportable_narrowing_operation): Likewise.
3970         * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
3971
3972 2010-04-09  Kai Tietz  <kai.tietz@onevision.com>
3973
3974         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
3975         __thiscall and _thiscall as predefined macros.
3976         * config/i386/i386.c (ix86_handle_cconv_attribute): Add
3977         thiscall attribute handling.
3978         (ix86_comp_type_attributes): Likewise.
3979         (ix86_function_regparm): Likewise.
3980         (ix86_return_pops_args): Likewise.
3981         (init_cumulative_args): Likewise.
3982         (find_drap_reg): Likewise.
3983         (ix86_static_chain): Likewise.
3984         (x86_this_parameter): Likewise.
3985         (x86_output_mi_thunk): Likewise.
3986         (ix86_attribute_table): Add description for thiscall attribute.
3987         * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
3988         * doc/extend.texi: Add documentation for thiscall.
3989
3990 2010-04-09&nb